Home / 42,204.48-63,310.07-14,124.68

Finding the Fourth Proportional to 42,204.48, 63,310.07 and 14,124.68

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Solution

The fourth proportional to 42,204.48, 63,310.07 and 14,124.68 is: 21,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,204.48 : 63,310.07 = 14,124.68 : x
  2. Step 2: Convert to fraction form
    42,204.48/63,310.07 = 14,124.68/x
  3. Step 3: Cross multiply
    42,204.48x = 63,310.07 × 14,124.68
  4. Step 4: Simplify right side
    42,204.48x = 894,234,479.53
  5. Step 5: Solve for x
    x = 894,234,479.53/42,204.48
  6. Step 6: Final answer
    x = 21,188.14

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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.