Home / 39,562.80-54,593.88-21,657.48

Finding the Fourth Proportional to 39,562.80, 54,593.88 and 21,657.48

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Solution

The fourth proportional to 39,562.80, 54,593.88 and 21,657.48 is: 29,885.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,562.80 : 54,593.88 = 21,657.48 : x
  2. Step 2: Convert to fraction form
    39,562.80/54,593.88 = 21,657.48/x
  3. Step 3: Cross multiply
    39,562.80x = 54,593.88 × 21,657.48
  4. Step 4: Simplify right side
    39,562.80x = 1,182,365,864.22
  5. Step 5: Solve for x
    x = 1,182,365,864.22/39,562.80
  6. Step 6: Final answer
    x = 29,885.80

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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.