Home / 81,737.32-122,605.82-22,572.84

Finding the Fourth Proportional to 81,737.32, 122,605.82 and 22,572.84

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Solution

The fourth proportional to 81,737.32, 122,605.82 and 22,572.84 is: 33,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,737.32 : 122,605.82 = 22,572.84 : x
  2. Step 2: Convert to fraction form
    81,737.32/122,605.82 = 22,572.84/x
  3. Step 3: Cross multiply
    81,737.32x = 122,605.82 × 22,572.84
  4. Step 4: Simplify right side
    81,737.32x = 2,767,561,557.93
  5. Step 5: Solve for x
    x = 2,767,561,557.93/81,737.32
  6. Step 6: Final answer
    x = 33,859.22

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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.