Home / 38,565.62-53,220.20-21,569.66

Finding the Fourth Proportional to 38,565.62, 53,220.20 and 21,569.66

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Solution

The fourth proportional to 38,565.62, 53,220.20 and 21,569.66 is: 29,765.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.62 : 53,220.20 = 21,569.66 : x
  2. Step 2: Convert to fraction form
    38,565.62/53,220.20 = 21,569.66/x
  3. Step 3: Cross multiply
    38,565.62x = 53,220.20 × 21,569.66
  4. Step 4: Simplify right side
    38,565.62x = 1,147,941,245.18
  5. Step 5: Solve for x
    x = 1,147,941,245.18/38,565.62
  6. Step 6: Final answer
    x = 29,765.93

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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.