Home / 42,555.24-63,819.36-14,470.29

Finding the Fourth Proportional to 42,555.24, 63,819.36 and 14,470.29

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Solution

The fourth proportional to 42,555.24, 63,819.36 and 14,470.29 is: 21,700.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.24 : 63,819.36 = 14,470.29 : x
  2. Step 2: Convert to fraction form
    42,555.24/63,819.36 = 14,470.29/x
  3. Step 3: Cross multiply
    42,555.24x = 63,819.36 × 14,470.29
  4. Step 4: Simplify right side
    42,555.24x = 923,484,646.81
  5. Step 5: Solve for x
    x = 923,484,646.81/42,555.24
  6. Step 6: Final answer
    x = 21,700.84

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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.