Home / 49,337.38-74,015.20-15,611.89

Finding the Fourth Proportional to 49,337.38, 74,015.20 and 15,611.89

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Solution

The fourth proportional to 49,337.38, 74,015.20 and 15,611.89 is: 23,420.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,337.38 : 74,015.20 = 15,611.89 : x
  2. Step 2: Convert to fraction form
    49,337.38/74,015.20 = 15,611.89/x
  3. Step 3: Cross multiply
    49,337.38x = 74,015.20 × 15,611.89
  4. Step 4: Simplify right side
    49,337.38x = 1,155,517,160.73
  5. Step 5: Solve for x
    x = 1,155,517,160.73/49,337.38
  6. Step 6: Final answer
    x = 23,420.72

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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.