Home / 49,870.95-74,769.45-30,144.88

Finding the Fourth Proportional to 49,870.95, 74,769.45 and 30,144.88

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Solution

The fourth proportional to 49,870.95, 74,769.45 and 30,144.88 is: 45,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,870.95 : 74,769.45 = 30,144.88 : x
  2. Step 2: Convert to fraction form
    49,870.95/74,769.45 = 30,144.88/x
  3. Step 3: Cross multiply
    49,870.95x = 74,769.45 × 30,144.88
  4. Step 4: Simplify right side
    49,870.95x = 2,253,916,097.92
  5. Step 5: Solve for x
    x = 2,253,916,097.92/49,870.95
  6. Step 6: Final answer
    x = 45,194.97

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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.