Home / 40,470.53-60,711.35-13,809.37

Finding the Fourth Proportional to 40,470.53, 60,711.35 and 13,809.37

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Solution

The fourth proportional to 40,470.53, 60,711.35 and 13,809.37 is: 20,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470.53 : 60,711.35 = 13,809.37 : x
  2. Step 2: Convert to fraction form
    40,470.53/60,711.35 = 13,809.37/x
  3. Step 3: Cross multiply
    40,470.53x = 60,711.35 × 13,809.37
  4. Step 4: Simplify right side
    40,470.53x = 838,385,495.35
  5. Step 5: Solve for x
    x = 838,385,495.35/40,470.53
  6. Step 6: Final answer
    x = 20,715.95

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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.