Home / 40,842.30-61,247.56-15,879.04

Finding the Fourth Proportional to 40,842.30, 61,247.56 and 15,879.04

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Solution

The fourth proportional to 40,842.30, 61,247.56 and 15,879.04 is: 23,812.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,842.30 : 61,247.56 = 15,879.04 : x
  2. Step 2: Convert to fraction form
    40,842.30/61,247.56 = 15,879.04/x
  3. Step 3: Cross multiply
    40,842.30x = 61,247.56 × 15,879.04
  4. Step 4: Simplify right side
    40,842.30x = 972,552,455.14
  5. Step 5: Solve for x
    x = 972,552,455.14/40,842.30
  6. Step 6: Final answer
    x = 23,812.38

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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.