Home / 39,149.08-54,025.87-21,244.09

Finding the Fourth Proportional to 39,149.08, 54,025.87 and 21,244.09

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Solution

The fourth proportional to 39,149.08, 54,025.87 and 21,244.09 is: 29,316.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.08 : 54,025.87 = 21,244.09 : x
  2. Step 2: Convert to fraction form
    39,149.08/54,025.87 = 21,244.09/x
  3. Step 3: Cross multiply
    39,149.08x = 54,025.87 × 21,244.09
  4. Step 4: Simplify right side
    39,149.08x = 1,147,730,444.61
  5. Step 5: Solve for x
    x = 1,147,730,444.61/39,149.08
  6. Step 6: Final answer
    x = 29,316.92

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1.5x scale

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.