Home / 39,221.55-54,105.80-25,617.56

Finding the Fourth Proportional to 39,221.55, 54,105.80 and 25,617.56

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Solution

The fourth proportional to 39,221.55, 54,105.80 and 25,617.56 is: 35,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,221.55 : 54,105.80 = 25,617.56 : x
  2. Step 2: Convert to fraction form
    39,221.55/54,105.80 = 25,617.56/x
  3. Step 3: Cross multiply
    39,221.55x = 54,105.80 × 25,617.56
  4. Step 4: Simplify right side
    39,221.55x = 1,386,058,577.85
  5. Step 5: Solve for x
    x = 1,386,058,577.85/39,221.55
  6. Step 6: Final answer
    x = 35,339.21

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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.