Home / 39,475.10-54,474.98-21,569.69

Finding the Fourth Proportional to 39,475.10, 54,474.98 and 21,569.69

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Solution

The fourth proportional to 39,475.10, 54,474.98 and 21,569.69 is: 29,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,475.10 : 54,474.98 = 21,569.69 : x
  2. Step 2: Convert to fraction form
    39,475.10/54,474.98 = 21,569.69/x
  3. Step 3: Cross multiply
    39,475.10x = 54,474.98 × 21,569.69
  4. Step 4: Simplify right side
    39,475.10x = 1,175,008,581.02
  5. Step 5: Solve for x
    x = 1,175,008,581.02/39,475.10
  6. Step 6: Final answer
    x = 29,765.82

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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.