Home / 30,861.25-42,591.14-17,434.97

Finding the Fourth Proportional to 30,861.25, 42,591.14 and 17,434.97

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Solution

The fourth proportional to 30,861.25, 42,591.14 and 17,434.97 is: 24,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,861.25 : 42,591.14 = 17,434.97 : x
  2. Step 2: Convert to fraction form
    30,861.25/42,591.14 = 17,434.97/x
  3. Step 3: Cross multiply
    30,861.25x = 42,591.14 × 17,434.97
  4. Step 4: Simplify right side
    30,861.25x = 742,575,078.80
  5. Step 5: Solve for x
    x = 742,575,078.80/30,861.25
  6. Step 6: Final answer
    x = 24,061.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.