Home / 91,947.50-137,921.04-24,479.55

Finding the Fourth Proportional to 91,947.50, 137,921.04 and 24,479.55

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Solution

The fourth proportional to 91,947.50, 137,921.04 and 24,479.55 is: 36,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,947.50 : 137,921.04 = 24,479.55 : x
  2. Step 2: Convert to fraction form
    91,947.50/137,921.04 = 24,479.55/x
  3. Step 3: Cross multiply
    91,947.50x = 137,921.04 × 24,479.55
  4. Step 4: Simplify right side
    91,947.50x = 3,376,244,994.73
  5. Step 5: Solve for x
    x = 3,376,244,994.73/91,947.50
  6. Step 6: Final answer
    x = 36,719.27

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1.5x scale

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.