Home / 42,234.81-63,352.23-14,149.68

Finding the Fourth Proportional to 42,234.81, 63,352.23 and 14,149.68

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Solution

The fourth proportional to 42,234.81, 63,352.23 and 14,149.68 is: 21,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,234.81 : 63,352.23 = 14,149.68 : x
  2. Step 2: Convert to fraction form
    42,234.81/63,352.23 = 14,149.68/x
  3. Step 3: Cross multiply
    42,234.81x = 63,352.23 × 14,149.68
  4. Step 4: Simplify right side
    42,234.81x = 896,413,781.79
  5. Step 5: Solve for x
    x = 896,413,781.79/42,234.81
  6. Step 6: Final answer
    x = 21,224.53

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1.5x scale

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.