Home / 52,740.74-72,781.95-28,541.68

Finding the Fourth Proportional to 52,740.74, 72,781.95 and 28,541.68

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Solution

The fourth proportional to 52,740.74, 72,781.95 and 28,541.68 is: 39,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,740.74 : 72,781.95 = 28,541.68 : x
  2. Step 2: Convert to fraction form
    52,740.74/72,781.95 = 28,541.68/x
  3. Step 3: Cross multiply
    52,740.74x = 72,781.95 × 28,541.68
  4. Step 4: Simplify right side
    52,740.74x = 2,077,318,983.97
  5. Step 5: Solve for x
    x = 2,077,318,983.97/52,740.74
  6. Step 6: Final answer
    x = 39,387.37

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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.