Home / 38,149.72-57,150.78-21,459.04

Finding the Fourth Proportional to 38,149.72, 57,150.78 and 21,459.04

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Solution

The fourth proportional to 38,149.72, 57,150.78 and 21,459.04 is: 32,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,149.72 : 57,150.78 = 21,459.04 : x
  2. Step 2: Convert to fraction form
    38,149.72/57,150.78 = 21,459.04/x
  3. Step 3: Cross multiply
    38,149.72x = 57,150.78 × 21,459.04
  4. Step 4: Simplify right side
    38,149.72x = 1,226,400,874.05
  5. Step 5: Solve for x
    x = 1,226,400,874.05/38,149.72
  6. Step 6: Final answer
    x = 32,147.05

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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.