Home / 40,388.10-60,655.05-29,307.30

Finding the Fourth Proportional to 40,388.10, 60,655.05 and 29,307.30

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Solution

The fourth proportional to 40,388.10, 60,655.05 and 29,307.30 is: 44,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.10 : 60,655.05 = 29,307.30 : x
  2. Step 2: Convert to fraction form
    40,388.10/60,655.05 = 29,307.30/x
  3. Step 3: Cross multiply
    40,388.10x = 60,655.05 × 29,307.30
  4. Step 4: Simplify right side
    40,388.10x = 1,777,635,746.87
  5. Step 5: Solve for x
    x = 1,777,635,746.87/40,388.10
  6. Step 6: Final answer
    x = 44,013.85

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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.