Home / 47,989.67-66,214.46-29,123.15

Finding the Fourth Proportional to 47,989.67, 66,214.46 and 29,123.15

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Solution

The fourth proportional to 47,989.67, 66,214.46 and 29,123.15 is: 40,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,989.67 : 66,214.46 = 29,123.15 : x
  2. Step 2: Convert to fraction form
    47,989.67/66,214.46 = 29,123.15/x
  3. Step 3: Cross multiply
    47,989.67x = 66,214.46 × 29,123.15
  4. Step 4: Simplify right side
    47,989.67x = 1,928,373,392.48
  5. Step 5: Solve for x
    x = 1,928,373,392.48/47,989.67
  6. Step 6: Final answer
    x = 40,183.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.