Home / 42,421.29-63,640.13-16,123.98

Finding the Fourth Proportional to 42,421.29, 63,640.13 and 16,123.98

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Solution

The fourth proportional to 42,421.29, 63,640.13 and 16,123.98 is: 24,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,421.29 : 63,640.13 = 16,123.98 : x
  2. Step 2: Convert to fraction form
    42,421.29/63,640.13 = 16,123.98/x
  3. Step 3: Cross multiply
    42,421.29x = 63,640.13 × 16,123.98
  4. Step 4: Simplify right side
    42,421.29x = 1,026,132,183.32
  5. Step 5: Solve for x
    x = 1,026,132,183.32/42,421.29
  6. Step 6: Final answer
    x = 24,189.08

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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.