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Finding the Fourth Proportional to 29,488.01, 44,128.08 and 18,399.92

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Solution

The fourth proportional to 29,488.01, 44,128.08 and 18,399.92 is: 27,535.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,488.01 : 44,128.08 = 18,399.92 : x
  2. Step 2: Convert to fraction form
    29,488.01/44,128.08 = 18,399.92/x
  3. Step 3: Cross multiply
    29,488.01x = 44,128.08 × 18,399.92
  4. Step 4: Simplify right side
    29,488.01x = 811,952,921.11
  5. Step 5: Solve for x
    x = 811,952,921.11/29,488.01
  6. Step 6: Final answer
    x = 27,535.02

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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.