Home / 39,561.30-54,593.87-21,655.98

Finding the Fourth Proportional to 39,561.30, 54,593.87 and 21,655.98

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Solution

The fourth proportional to 39,561.30, 54,593.87 and 21,655.98 is: 29,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,561.30 : 54,593.87 = 21,655.98 : x
  2. Step 2: Convert to fraction form
    39,561.30/54,593.87 = 21,655.98/x
  3. Step 3: Cross multiply
    39,561.30x = 54,593.87 × 21,655.98
  4. Step 4: Simplify right side
    39,561.30x = 1,182,283,648.56
  5. Step 5: Solve for x
    x = 1,182,283,648.56/39,561.30
  6. Step 6: Final answer
    x = 29,884.85

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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.