Home / 81,758.88-122,637.04-22,593.24

Finding the Fourth Proportional to 81,758.88, 122,637.04 and 22,593.24

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Solution

The fourth proportional to 81,758.88, 122,637.04 and 22,593.24 is: 33,889.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,758.88 : 122,637.04 = 22,593.24 : x
  2. Step 2: Convert to fraction form
    81,758.88/122,637.04 = 22,593.24/x
  3. Step 3: Cross multiply
    81,758.88x = 122,637.04 × 22,593.24
  4. Step 4: Simplify right side
    81,758.88x = 2,770,768,077.61
  5. Step 5: Solve for x
    x = 2,770,768,077.61/81,758.88
  6. Step 6: Final answer
    x = 33,889.51

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1.5x scale

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.