Home / 39,549.14-54,577.72-21,644.13

Finding the Fourth Proportional to 39,549.14, 54,577.72 and 21,644.13

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Solution

The fourth proportional to 39,549.14, 54,577.72 and 21,644.13 is: 29,868.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.14 : 54,577.72 = 21,644.13 : x
  2. Step 2: Convert to fraction form
    39,549.14/54,577.72 = 21,644.13/x
  3. Step 3: Cross multiply
    39,549.14x = 54,577.72 × 21,644.13
  4. Step 4: Simplify right side
    39,549.14x = 1,181,287,266.78
  5. Step 5: Solve for x
    x = 1,181,287,266.78/39,549.14
  6. Step 6: Final answer
    x = 29,868.85

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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.