Home / 39,565.96-54,599.38-21,660.52

Finding the Fourth Proportional to 39,565.96, 54,599.38 and 21,660.52

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Solution

The fourth proportional to 39,565.96, 54,599.38 and 21,660.52 is: 29,890.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.96 : 54,599.38 = 21,660.52 : x
  2. Step 2: Convert to fraction form
    39,565.96/54,599.38 = 21,660.52/x
  3. Step 3: Cross multiply
    39,565.96x = 54,599.38 × 21,660.52
  4. Step 4: Simplify right side
    39,565.96x = 1,182,650,962.48
  5. Step 5: Solve for x
    x = 1,182,650,962.48/39,565.96
  6. Step 6: Final answer
    x = 29,890.62

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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.