Home / 55,953.74-77,211.60-30,803.24

Finding the Fourth Proportional to 55,953.74, 77,211.60 and 30,803.24

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Solution

The fourth proportional to 55,953.74, 77,211.60 and 30,803.24 is: 42,505.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.74 : 77,211.60 = 30,803.24 : x
  2. Step 2: Convert to fraction form
    55,953.74/77,211.60 = 30,803.24/x
  3. Step 3: Cross multiply
    55,953.74x = 77,211.60 × 30,803.24
  4. Step 4: Simplify right side
    55,953.74x = 2,378,367,523.10
  5. Step 5: Solve for x
    x = 2,378,367,523.10/55,953.74
  6. Step 6: Final answer
    x = 42,505.96

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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.