Home / 81,737.27-122,607.44-22,574.51

Finding the Fourth Proportional to 81,737.27, 122,607.44 and 22,574.51

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Solution

The fourth proportional to 81,737.27, 122,607.44 and 22,574.51 is: 33,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,737.27 : 122,607.44 = 22,574.51 : x
  2. Step 2: Convert to fraction form
    81,737.27/122,607.44 = 22,574.51/x
  3. Step 3: Cross multiply
    81,737.27x = 122,607.44 × 22,574.51
  4. Step 4: Simplify right side
    81,737.27x = 2,767,802,154.44
  5. Step 5: Solve for x
    x = 2,767,802,154.44/81,737.27
  6. Step 6: Final answer
    x = 33,862.18

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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.