Home / 38,565.72-57,809.03-18,819.95

Finding the Fourth Proportional to 38,565.72, 57,809.03 and 18,819.95

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Solution

The fourth proportional to 38,565.72, 57,809.03 and 18,819.95 is: 28,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,565.72 : 57,809.03 = 18,819.95 : x
  2. Step 2: Convert to fraction form
    38,565.72/57,809.03 = 18,819.95/x
  3. Step 3: Cross multiply
    38,565.72x = 57,809.03 × 18,819.95
  4. Step 4: Simplify right side
    38,565.72x = 1,087,962,671.00
  5. Step 5: Solve for x
    x = 1,087,962,671.00/38,565.72
  6. Step 6: Final answer
    x = 28,210.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.