Home / 40,388.60-60,565.32-12,302.06

Finding the Fourth Proportional to 40,388.60, 60,565.32 and 12,302.06

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Solution

The fourth proportional to 40,388.60, 60,565.32 and 12,302.06 is: 18,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,388.60 : 60,565.32 = 12,302.06 : x
  2. Step 2: Convert to fraction form
    40,388.60/60,565.32 = 12,302.06/x
  3. Step 3: Cross multiply
    40,388.60x = 60,565.32 × 12,302.06
  4. Step 4: Simplify right side
    40,388.60x = 745,077,897.73
  5. Step 5: Solve for x
    x = 745,077,897.73/40,388.60
  6. Step 6: Final answer
    x = 18,447.73

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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.