Home / 49,499.60-74,249.40-38,440.40

Finding the Fourth Proportional to 49,499.60, 74,249.40 and 38,440.40

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Solution

The fourth proportional to 49,499.60, 74,249.40 and 38,440.40 is: 57,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,499.60 : 74,249.40 = 38,440.40 : x
  2. Step 2: Convert to fraction form
    49,499.60/74,249.40 = 38,440.40/x
  3. Step 3: Cross multiply
    49,499.60x = 74,249.40 × 38,440.40
  4. Step 4: Simplify right side
    49,499.60x = 2,854,176,635.76
  5. Step 5: Solve for x
    x = 2,854,176,635.76/49,499.60
  6. Step 6: Final answer
    x = 57,660.60

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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.