Home / 55,832.75-77,049.20-30,682.25

Finding the Fourth Proportional to 55,832.75, 77,049.20 and 30,682.25

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Solution

The fourth proportional to 55,832.75, 77,049.20 and 30,682.25 is: 42,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,832.75 : 77,049.20 = 30,682.25 : x
  2. Step 2: Convert to fraction form
    55,832.75/77,049.20 = 30,682.25/x
  3. Step 3: Cross multiply
    55,832.75x = 77,049.20 × 30,682.25
  4. Step 4: Simplify right side
    55,832.75x = 2,364,042,816.70
  5. Step 5: Solve for x
    x = 2,364,042,816.70/55,832.75
  6. Step 6: Final answer
    x = 42,341.51

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Half scale
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Double scale
Find fourth proportional to 55,833.75, 77,050.58 and 30,683.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.