Home / 39,562.88-54,596.76-21,657.90

Finding the Fourth Proportional to 39,562.88, 54,596.76 and 21,657.90

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Solution

The fourth proportional to 39,562.88, 54,596.76 and 21,657.90 is: 29,887.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.88 : 54,596.76 = 21,657.90 : x
  2. Step 2: Convert to fraction form
    39,562.88/54,596.76 = 21,657.90/x
  3. Step 3: Cross multiply
    39,562.88x = 54,596.76 × 21,657.90
  4. Step 4: Simplify right side
    39,562.88x = 1,182,451,168.40
  5. Step 5: Solve for x
    x = 1,182,451,168.40/39,562.88
  6. Step 6: Final answer
    x = 29,887.89

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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.