Home / 38,780.40-53,521.99-23,669.92

Finding the Fourth Proportional to 38,780.40, 53,521.99 and 23,669.92

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Solution

The fourth proportional to 38,780.40, 53,521.99 and 23,669.92 is: 32,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,780.40 : 53,521.99 = 23,669.92 : x
  2. Step 2: Convert to fraction form
    38,780.40/53,521.99 = 23,669.92/x
  3. Step 3: Cross multiply
    38,780.40x = 53,521.99 × 23,669.92
  4. Step 4: Simplify right side
    38,780.40x = 1,266,861,221.54
  5. Step 5: Solve for x
    x = 1,266,861,221.54/38,780.40
  6. Step 6: Final answer
    x = 32,667.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.