Home / 40,737.44-61,107.66-12,660.32

Finding the Fourth Proportional to 40,737.44, 61,107.66 and 12,660.32

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Solution

The fourth proportional to 40,737.44, 61,107.66 and 12,660.32 is: 18,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,737.44 : 61,107.66 = 12,660.32 : x
  2. Step 2: Convert to fraction form
    40,737.44/61,107.66 = 12,660.32/x
  3. Step 3: Cross multiply
    40,737.44x = 61,107.66 × 12,660.32
  4. Step 4: Simplify right side
    40,737.44x = 773,642,530.05
  5. Step 5: Solve for x
    x = 773,642,530.05/40,737.44
  6. Step 6: Final answer
    x = 18,990.95

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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.