Home / 71,514.72-107,308.48-29,427.12

Finding the Fourth Proportional to 71,514.72, 107,308.48 and 29,427.12

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Solution

The fourth proportional to 71,514.72, 107,308.48 and 29,427.12 is: 44,155.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,514.72 : 107,308.48 = 29,427.12 : x
  2. Step 2: Convert to fraction form
    71,514.72/107,308.48 = 29,427.12/x
  3. Step 3: Cross multiply
    71,514.72x = 107,308.48 × 29,427.12
  4. Step 4: Simplify right side
    71,514.72x = 3,157,779,517.98
  5. Step 5: Solve for x
    x = 3,157,779,517.98/71,514.72
  6. Step 6: Final answer
    x = 44,155.66

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1.5x scale

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.