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Finding the Fourth Proportional to 45,064.92, 67,594.95 and 13,474.92

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Solution

The fourth proportional to 45,064.92, 67,594.95 and 13,474.92 is: 20,211.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,064.92 : 67,594.95 = 13,474.92 : x
  2. Step 2: Convert to fraction form
    45,064.92/67,594.95 = 13,474.92/x
  3. Step 3: Cross multiply
    45,064.92x = 67,594.95 × 13,474.92
  4. Step 4: Simplify right side
    45,064.92x = 910,836,543.65
  5. Step 5: Solve for x
    x = 910,836,543.65/45,064.92
  6. Step 6: Final answer
    x = 20,211.65

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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.