Home / 40,719.11-61,068.83-17,013.84

Finding the Fourth Proportional to 40,719.11, 61,068.83 and 17,013.84

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Solution

The fourth proportional to 40,719.11, 61,068.83 and 17,013.84 is: 25,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.11 : 61,068.83 = 17,013.84 : x
  2. Step 2: Convert to fraction form
    40,719.11/61,068.83 = 17,013.84/x
  3. Step 3: Cross multiply
    40,719.11x = 61,068.83 × 17,013.84
  4. Step 4: Simplify right side
    40,719.11x = 1,039,015,217.54
  5. Step 5: Solve for x
    x = 1,039,015,217.54/40,719.11
  6. Step 6: Final answer
    x = 25,516.65

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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.