Home / 39,560.52-54,593.10-21,655.56

Finding the Fourth Proportional to 39,560.52, 54,593.10 and 21,655.56

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Solution

The fourth proportional to 39,560.52, 54,593.10 and 21,655.56 is: 29,884.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.52 : 54,593.10 = 21,655.56 : x
  2. Step 2: Convert to fraction form
    39,560.52/54,593.10 = 21,655.56/x
  3. Step 3: Cross multiply
    39,560.52x = 54,593.10 × 21,655.56
  4. Step 4: Simplify right side
    39,560.52x = 1,182,244,152.64
  5. Step 5: Solve for x
    x = 1,182,244,152.64/39,560.52
  6. Step 6: Final answer
    x = 29,884.44

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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.