Home / 39,549.47-54,575.98-21,644.82

Finding the Fourth Proportional to 39,549.47, 54,575.98 and 21,644.82

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Solution

The fourth proportional to 39,549.47, 54,575.98 and 21,644.82 is: 29,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.47 : 54,575.98 = 21,644.82 : x
  2. Step 2: Convert to fraction form
    39,549.47/54,575.98 = 21,644.82/x
  3. Step 3: Cross multiply
    39,549.47x = 54,575.98 × 21,644.82
  4. Step 4: Simplify right side
    39,549.47x = 1,181,287,209.31
  5. Step 5: Solve for x
    x = 1,181,287,209.31/39,549.47
  6. Step 6: Final answer
    x = 29,868.60

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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.