Home / 39,475.34-54,475.31-21,569.96

Finding the Fourth Proportional to 39,475.34, 54,475.31 and 21,569.96

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Solution

The fourth proportional to 39,475.34, 54,475.31 and 21,569.96 is: 29,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,475.34 : 54,475.31 = 21,569.96 : x
  2. Step 2: Convert to fraction form
    39,475.34/54,475.31 = 21,569.96/x
  3. Step 3: Cross multiply
    39,475.34x = 54,475.31 × 21,569.96
  4. Step 4: Simplify right side
    39,475.34x = 1,175,030,257.69
  5. Step 5: Solve for x
    x = 1,175,030,257.69/39,475.34
  6. Step 6: Final answer
    x = 29,766.18

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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.