Home / 40,987.13-61,474.58-11,401.91

Finding the Fourth Proportional to 40,987.13, 61,474.58 and 11,401.91

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Solution

The fourth proportional to 40,987.13, 61,474.58 and 11,401.91 is: 17,101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,987.13 : 61,474.58 = 11,401.91 : x
  2. Step 2: Convert to fraction form
    40,987.13/61,474.58 = 11,401.91/x
  3. Step 3: Cross multiply
    40,987.13x = 61,474.58 × 11,401.91
  4. Step 4: Simplify right side
    40,987.13x = 700,927,571.44
  5. Step 5: Solve for x
    x = 700,927,571.44/40,987.13
  6. Step 6: Final answer
    x = 17,101.16

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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.