Home / 42,342.76-63,514.14-11,177.32

Finding the Fourth Proportional to 42,342.76, 63,514.14 and 11,177.32

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Solution

The fourth proportional to 42,342.76, 63,514.14 and 11,177.32 is: 16,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,342.76 : 63,514.14 = 11,177.32 : x
  2. Step 2: Convert to fraction form
    42,342.76/63,514.14 = 11,177.32/x
  3. Step 3: Cross multiply
    42,342.76x = 63,514.14 × 11,177.32
  4. Step 4: Simplify right side
    42,342.76x = 709,917,867.30
  5. Step 5: Solve for x
    x = 709,917,867.30/42,342.76
  6. Step 6: Final answer
    x = 16,765.98

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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.