Home / 42,542.31-63,820.38-14,464.87

Finding the Fourth Proportional to 42,542.31, 63,820.38 and 14,464.87

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Solution

The fourth proportional to 42,542.31, 63,820.38 and 14,464.87 is: 21,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.31 : 63,820.38 = 14,464.87 : x
  2. Step 2: Convert to fraction form
    42,542.31/63,820.38 = 14,464.87/x
  3. Step 3: Cross multiply
    42,542.31x = 63,820.38 × 14,464.87
  4. Step 4: Simplify right side
    42,542.31x = 923,153,500.05
  5. Step 5: Solve for x
    x = 923,153,500.05/42,542.31
  6. Step 6: Final answer
    x = 21,699.66

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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.