Home / 39,577.74-54,617.28-21,673.84

Finding the Fourth Proportional to 39,577.74, 54,617.28 and 21,673.84

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Solution

The fourth proportional to 39,577.74, 54,617.28 and 21,673.84 is: 29,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,577.74 : 54,617.28 = 21,673.84 : x
  2. Step 2: Convert to fraction form
    39,577.74/54,617.28 = 21,673.84/x
  3. Step 3: Cross multiply
    39,577.74x = 54,617.28 × 21,673.84
  4. Step 4: Simplify right side
    39,577.74x = 1,183,766,187.96
  5. Step 5: Solve for x
    x = 1,183,766,187.96/39,577.74
  6. Step 6: Final answer
    x = 29,909.90

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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.