Home / 39,373.92-54,334.56-21,468.60

Finding the Fourth Proportional to 39,373.92, 54,334.56 and 21,468.60

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Solution

The fourth proportional to 39,373.92, 54,334.56 and 21,468.60 is: 29,625.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,373.92 : 54,334.56 = 21,468.60 : x
  2. Step 2: Convert to fraction form
    39,373.92/54,334.56 = 21,468.60/x
  3. Step 3: Cross multiply
    39,373.92x = 54,334.56 × 21,468.60
  4. Step 4: Simplify right side
    39,373.92x = 1,166,486,934.82
  5. Step 5: Solve for x
    x = 1,166,486,934.82/39,373.92
  6. Step 6: Final answer
    x = 29,625.88

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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.