Home / 60,933.60-91,374.26-20,956.61

Finding the Fourth Proportional to 60,933.60, 91,374.26 and 20,956.61

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Solution

The fourth proportional to 60,933.60, 91,374.26 and 20,956.61 is: 31,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,933.60 : 91,374.26 = 20,956.61 : x
  2. Step 2: Convert to fraction form
    60,933.60/91,374.26 = 20,956.61/x
  3. Step 3: Cross multiply
    60,933.60x = 91,374.26 × 20,956.61
  4. Step 4: Simplify right side
    60,933.60x = 1,914,894,730.86
  5. Step 5: Solve for x
    x = 1,914,894,730.86/60,933.60
  6. Step 6: Final answer
    x = 31,425.92

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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.