Home / 40,868.91-61,302.15-11,288.52

Finding the Fourth Proportional to 40,868.91, 61,302.15 and 11,288.52

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Solution

The fourth proportional to 40,868.91, 61,302.15 and 11,288.52 is: 16,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.91 : 61,302.15 = 11,288.52 : x
  2. Step 2: Convert to fraction form
    40,868.91/61,302.15 = 11,288.52/x
  3. Step 3: Cross multiply
    40,868.91x = 61,302.15 × 11,288.52
  4. Step 4: Simplify right side
    40,868.91x = 692,010,546.32
  5. Step 5: Solve for x
    x = 692,010,546.32/40,868.91
  6. Step 6: Final answer
    x = 16,932.44

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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.