Home / 40,487.40-60,731.10-35,566.65

Finding the Fourth Proportional to 40,487.40, 60,731.10 and 35,566.65

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Solution

The fourth proportional to 40,487.40, 60,731.10 and 35,566.65 is: 53,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.40 : 60,731.10 = 35,566.65 : x
  2. Step 2: Convert to fraction form
    40,487.40/60,731.10 = 35,566.65/x
  3. Step 3: Cross multiply
    40,487.40x = 60,731.10 × 35,566.65
  4. Step 4: Simplify right side
    40,487.40x = 2,160,001,777.82
  5. Step 5: Solve for x
    x = 2,160,001,777.82/40,487.40
  6. Step 6: Final answer
    x = 53,349.98

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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.