Home / 49,904.40-74,819.16-30,178.92

Finding the Fourth Proportional to 49,904.40, 74,819.16 and 30,178.92

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Solution

The fourth proportional to 49,904.40, 74,819.16 and 30,178.92 is: 45,245.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,904.40 : 74,819.16 = 30,178.92 : x
  2. Step 2: Convert to fraction form
    49,904.40/74,819.16 = 30,178.92/x
  3. Step 3: Cross multiply
    49,904.40x = 74,819.16 × 30,178.92
  4. Step 4: Simplify right side
    49,904.40x = 2,257,961,444.11
  5. Step 5: Solve for x
    x = 2,257,961,444.11/49,904.40
  6. Step 6: Final answer
    x = 45,245.74

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.