Home / 81,737.84-122,607.04-22,572.20

Finding the Fourth Proportional to 81,737.84, 122,607.04 and 22,572.20

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Solution

The fourth proportional to 81,737.84, 122,607.04 and 22,572.20 is: 33,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,737.84 : 122,607.04 = 22,572.20 : x
  2. Step 2: Convert to fraction form
    81,737.84/122,607.04 = 22,572.20/x
  3. Step 3: Cross multiply
    81,737.84x = 122,607.04 × 22,572.20
  4. Step 4: Simplify right side
    81,737.84x = 2,767,510,628.29
  5. Step 5: Solve for x
    x = 2,767,510,628.29/81,737.84
  6. Step 6: Final answer
    x = 33,858.38

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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.