Home / 39,149.55-54,026.10-21,244.10

Finding the Fourth Proportional to 39,149.55, 54,026.10 and 21,244.10

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Solution

The fourth proportional to 39,149.55, 54,026.10 and 21,244.10 is: 29,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.55 : 54,026.10 = 21,244.10 : x
  2. Step 2: Convert to fraction form
    39,149.55/54,026.10 = 21,244.10/x
  3. Step 3: Cross multiply
    39,149.55x = 54,026.10 × 21,244.10
  4. Step 4: Simplify right side
    39,149.55x = 1,147,735,871.01
  5. Step 5: Solve for x
    x = 1,147,735,871.01/39,149.55
  6. Step 6: Final answer
    x = 29,316.71

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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.