Home / 42,141.78-63,221.90-15,846.52

Finding the Fourth Proportional to 42,141.78, 63,221.90 and 15,846.52

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Solution

The fourth proportional to 42,141.78, 63,221.90 and 15,846.52 is: 23,773.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141.78 : 63,221.90 = 15,846.52 : x
  2. Step 2: Convert to fraction form
    42,141.78/63,221.90 = 15,846.52/x
  3. Step 3: Cross multiply
    42,141.78x = 63,221.90 × 15,846.52
  4. Step 4: Simplify right side
    42,141.78x = 1,001,847,406.75
  5. Step 5: Solve for x
    x = 1,001,847,406.75/42,141.78
  6. Step 6: Final answer
    x = 23,773.26

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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.