Home / 41,991.32-62,987.92-15,681.72

Finding the Fourth Proportional to 41,991.32, 62,987.92 and 15,681.72

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Solution

The fourth proportional to 41,991.32, 62,987.92 and 15,681.72 is: 23,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,991.32 : 62,987.92 = 15,681.72 : x
  2. Step 2: Convert to fraction form
    41,991.32/62,987.92 = 15,681.72/x
  3. Step 3: Cross multiply
    41,991.32x = 62,987.92 × 15,681.72
  4. Step 4: Simplify right side
    41,991.32x = 987,758,924.82
  5. Step 5: Solve for x
    x = 987,758,924.82/41,991.32
  6. Step 6: Final answer
    x = 23,522.93

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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.