Home / 40,470.79-60,713.49-18,294.61

Finding the Fourth Proportional to 40,470.79, 60,713.49 and 18,294.61

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Solution

The fourth proportional to 40,470.79, 60,713.49 and 18,294.61 is: 27,445.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470.79 : 60,713.49 = 18,294.61 : x
  2. Step 2: Convert to fraction form
    40,470.79/60,713.49 = 18,294.61/x
  3. Step 3: Cross multiply
    40,470.79x = 60,713.49 × 18,294.61
  4. Step 4: Simplify right side
    40,470.79x = 1,110,729,621.29
  5. Step 5: Solve for x
    x = 1,110,729,621.29/40,470.79
  6. Step 6: Final answer
    x = 27,445.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.