Home / 40,973.14-61,448.76-11,392.61

Finding the Fourth Proportional to 40,973.14, 61,448.76 and 11,392.61

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Solution

The fourth proportional to 40,973.14, 61,448.76 and 11,392.61 is: 17,085.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,973.14 : 61,448.76 = 11,392.61 : x
  2. Step 2: Convert to fraction form
    40,973.14/61,448.76 = 11,392.61/x
  3. Step 3: Cross multiply
    40,973.14x = 61,448.76 × 11,392.61
  4. Step 4: Simplify right side
    40,973.14x = 700,061,757.66
  5. Step 5: Solve for x
    x = 700,061,757.66/40,973.14
  6. Step 6: Final answer
    x = 17,085.87

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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.