Home / 40,842.90-61,182.36-18,625.73

Finding the Fourth Proportional to 40,842.90, 61,182.36 and 18,625.73

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Solution

The fourth proportional to 40,842.90, 61,182.36 and 18,625.73 is: 27,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,842.90 : 61,182.36 = 18,625.73 : x
  2. Step 2: Convert to fraction form
    40,842.90/61,182.36 = 18,625.73/x
  3. Step 3: Cross multiply
    40,842.90x = 61,182.36 × 18,625.73
  4. Step 4: Simplify right side
    40,842.90x = 1,139,565,812.21
  5. Step 5: Solve for x
    x = 1,139,565,812.21/40,842.90
  6. Step 6: Final answer
    x = 27,901.20

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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.