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Finding the Fourth Proportional to 56,323.38, 77,646.15 and 38,395.38

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Solution

The fourth proportional to 56,323.38, 77,646.15 and 38,395.38 is: 52,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,323.38 : 77,646.15 = 38,395.38 : x
  2. Step 2: Convert to fraction form
    56,323.38/77,646.15 = 38,395.38/x
  3. Step 3: Cross multiply
    56,323.38x = 77,646.15 × 38,395.38
  4. Step 4: Simplify right side
    56,323.38x = 2,981,253,434.79
  5. Step 5: Solve for x
    x = 2,981,253,434.79/56,323.38
  6. Step 6: Final answer
    x = 52,931.01

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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.