Home / 40,870.66-61,305.91-11,288.42

Finding the Fourth Proportional to 40,870.66, 61,305.91 and 11,288.42

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Solution

The fourth proportional to 40,870.66, 61,305.91 and 11,288.42 is: 16,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,870.66 : 61,305.91 = 11,288.42 : x
  2. Step 2: Convert to fraction form
    40,870.66/61,305.91 = 11,288.42/x
  3. Step 3: Cross multiply
    40,870.66x = 61,305.91 × 11,288.42
  4. Step 4: Simplify right side
    40,870.66x = 692,046,860.56
  5. Step 5: Solve for x
    x = 692,046,860.56/40,870.66
  6. Step 6: Final answer
    x = 16,932.61

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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.