Home / 40,088.43-55,307.11-30,892.70

Finding the Fourth Proportional to 40,088.43, 55,307.11 and 30,892.70

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Solution

The fourth proportional to 40,088.43, 55,307.11 and 30,892.70 is: 42,620.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,088.43 : 55,307.11 = 30,892.70 : x
  2. Step 2: Convert to fraction form
    40,088.43/55,307.11 = 30,892.70/x
  3. Step 3: Cross multiply
    40,088.43x = 55,307.11 × 30,892.70
  4. Step 4: Simplify right side
    40,088.43x = 1,708,585,957.10
  5. Step 5: Solve for x
    x = 1,708,585,957.10/40,088.43
  6. Step 6: Final answer
    x = 42,620.43

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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.