Home / 55,244.13-76,231.21-31,041.25

Finding the Fourth Proportional to 55,244.13, 76,231.21 and 31,041.25

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Solution

The fourth proportional to 55,244.13, 76,231.21 and 31,041.25 is: 42,833.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244.13 : 76,231.21 = 31,041.25 : x
  2. Step 2: Convert to fraction form
    55,244.13/76,231.21 = 31,041.25/x
  3. Step 3: Cross multiply
    55,244.13x = 76,231.21 × 31,041.25
  4. Step 4: Simplify right side
    55,244.13x = 2,366,312,047.41
  5. Step 5: Solve for x
    x = 2,366,312,047.41/55,244.13
  6. Step 6: Final answer
    x = 42,833.73

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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.