Home / 39,549.05-54,577.56-21,644.20

Finding the Fourth Proportional to 39,549.05, 54,577.56 and 21,644.20

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Solution

The fourth proportional to 39,549.05, 54,577.56 and 21,644.20 is: 29,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.05 : 54,577.56 = 21,644.20 : x
  2. Step 2: Convert to fraction form
    39,549.05/54,577.56 = 21,644.20/x
  3. Step 3: Cross multiply
    39,549.05x = 54,577.56 × 21,644.20
  4. Step 4: Simplify right side
    39,549.05x = 1,181,287,624.15
  5. Step 5: Solve for x
    x = 1,181,287,624.15/39,549.05
  6. Step 6: Final answer
    x = 29,868.93

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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.