Home / 40,728.20-60,962.70-29,064.20

Finding the Fourth Proportional to 40,728.20, 60,962.70 and 29,064.20

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Solution

The fourth proportional to 40,728.20, 60,962.70 and 29,064.20 is: 43,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.20 : 60,962.70 = 29,064.20 : x
  2. Step 2: Convert to fraction form
    40,728.20/60,962.70 = 29,064.20/x
  3. Step 3: Cross multiply
    40,728.20x = 60,962.70 × 29,064.20
  4. Step 4: Simplify right side
    40,728.20x = 1,771,832,105.34
  5. Step 5: Solve for x
    x = 1,771,832,105.34/40,728.20
  6. Step 6: Final answer
    x = 43,503.82

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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.