Home / 45,006.72-67,510.08-17,285.28

Finding the Fourth Proportional to 45,006.72, 67,510.08 and 17,285.28

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Solution

The fourth proportional to 45,006.72, 67,510.08 and 17,285.28 is: 25,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,006.72 : 67,510.08 = 17,285.28 : x
  2. Step 2: Convert to fraction form
    45,006.72/67,510.08 = 17,285.28/x
  3. Step 3: Cross multiply
    45,006.72x = 67,510.08 × 17,285.28
  4. Step 4: Simplify right side
    45,006.72x = 1,166,930,635.62
  5. Step 5: Solve for x
    x = 1,166,930,635.62/45,006.72
  6. Step 6: Final answer
    x = 25,927.92

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Similar ratio
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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.