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Finding the Fourth Proportional to 40,110, 60,171.08 and 29,099.76

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Solution

The fourth proportional to 40,110, 60,171.08 and 29,099.76 is: 43,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,110 : 60,171.08 = 29,099.76 : x
  2. Step 2: Convert to fraction form
    40,110/60,171.08 = 29,099.76/x
  3. Step 3: Cross multiply
    40,110x = 60,171.08 × 29,099.76
  4. Step 4: Simplify right side
    40,110x = 1,750,963,986.94
  5. Step 5: Solve for x
    x = 1,750,963,986.94/40,110
  6. Step 6: Final answer
    x = 43,654.05

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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.