Home / 42,462.78-63,703.23-14,381.85

Finding the Fourth Proportional to 42,462.78, 63,703.23 and 14,381.85

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Solution

The fourth proportional to 42,462.78, 63,703.23 and 14,381.85 is: 21,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,462.78 : 63,703.23 = 14,381.85 : x
  2. Step 2: Convert to fraction form
    42,462.78/63,703.23 = 14,381.85/x
  3. Step 3: Cross multiply
    42,462.78x = 63,703.23 × 14,381.85
  4. Step 4: Simplify right side
    42,462.78x = 916,170,298.38
  5. Step 5: Solve for x
    x = 916,170,298.38/42,462.78
  6. Step 6: Final answer
    x = 21,575.84

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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.