Home / 40,868.92-61,303.52-11,286.10

Finding the Fourth Proportional to 40,868.92, 61,303.52 and 11,286.10

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Solution

The fourth proportional to 40,868.92, 61,303.52 and 11,286.10 is: 16,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.92 : 61,303.52 = 11,286.10 : x
  2. Step 2: Convert to fraction form
    40,868.92/61,303.52 = 11,286.10/x
  3. Step 3: Cross multiply
    40,868.92x = 61,303.52 × 11,286.10
  4. Step 4: Simplify right side
    40,868.92x = 691,877,657.07
  5. Step 5: Solve for x
    x = 691,877,657.07/40,868.92
  6. Step 6: Final answer
    x = 16,929.19

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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.