Home / 40,680-56,142.72-23,927.04

Finding the Fourth Proportional to 40,680, 56,142.72 and 23,927.04

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Solution

The fourth proportional to 40,680, 56,142.72 and 23,927.04 is: 33,021.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,680 : 56,142.72 = 23,927.04 : x
  2. Step 2: Convert to fraction form
    40,680/56,142.72 = 23,927.04/x
  3. Step 3: Cross multiply
    40,680x = 56,142.72 × 23,927.04
  4. Step 4: Simplify right side
    40,680x = 1,343,329,107.15
  5. Step 5: Solve for x
    x = 1,343,329,107.15/40,680
  6. Step 6: Final answer
    x = 33,021.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.