Home / 42,534.48-63,811.26-12,954.66

Finding the Fourth Proportional to 42,534.48, 63,811.26 and 12,954.66

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Solution

The fourth proportional to 42,534.48, 63,811.26 and 12,954.66 is: 19,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,534.48 : 63,811.26 = 12,954.66 : x
  2. Step 2: Convert to fraction form
    42,534.48/63,811.26 = 12,954.66/x
  3. Step 3: Cross multiply
    42,534.48x = 63,811.26 × 12,954.66
  4. Step 4: Simplify right side
    42,534.48x = 826,653,177.47
  5. Step 5: Solve for x
    x = 826,653,177.47/42,534.48
  6. Step 6: Final answer
    x = 19,434.90

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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.