Home / 42,347.31-63,523.67-11,181.75

Finding the Fourth Proportional to 42,347.31, 63,523.67 and 11,181.75

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Solution

The fourth proportional to 42,347.31, 63,523.67 and 11,181.75 is: 16,773.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,347.31 : 63,523.67 = 11,181.75 : x
  2. Step 2: Convert to fraction form
    42,347.31/63,523.67 = 11,181.75/x
  3. Step 3: Cross multiply
    42,347.31x = 63,523.67 × 11,181.75
  4. Step 4: Simplify right side
    42,347.31x = 710,305,741.11
  5. Step 5: Solve for x
    x = 710,305,741.11/42,347.31
  6. Step 6: Final answer
    x = 16,773.34

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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.