Home / 56,456.28-84,695.40-17,011.44

Finding the Fourth Proportional to 56,456.28, 84,695.40 and 17,011.44

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Solution

The fourth proportional to 56,456.28, 84,695.40 and 17,011.44 is: 25,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,456.28 : 84,695.40 = 17,011.44 : x
  2. Step 2: Convert to fraction form
    56,456.28/84,695.40 = 17,011.44/x
  3. Step 3: Cross multiply
    56,456.28x = 84,695.40 × 17,011.44
  4. Step 4: Simplify right side
    56,456.28x = 1,440,790,715.38
  5. Step 5: Solve for x
    x = 1,440,790,715.38/56,456.28
  6. Step 6: Final answer
    x = 25,520.47

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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.