Home / 40,815.27-61,246.53-17,120.70

Finding the Fourth Proportional to 40,815.27, 61,246.53 and 17,120.70

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Solution

The fourth proportional to 40,815.27, 61,246.53 and 17,120.70 is: 25,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,815.27 : 61,246.53 = 17,120.70 : x
  2. Step 2: Convert to fraction form
    40,815.27/61,246.53 = 17,120.70/x
  3. Step 3: Cross multiply
    40,815.27x = 61,246.53 × 17,120.70
  4. Step 4: Simplify right side
    40,815.27x = 1,048,583,466.17
  5. Step 5: Solve for x
    x = 1,048,583,466.17/40,815.27
  6. Step 6: Final answer
    x = 25,690.96

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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.