Home / 33,162.16-49,737.84-13,439.92

Finding the Fourth Proportional to 33,162.16, 49,737.84 and 13,439.92

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Solution

The fourth proportional to 33,162.16, 49,737.84 and 13,439.92 is: 20,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,162.16 : 49,737.84 = 13,439.92 : x
  2. Step 2: Convert to fraction form
    33,162.16/49,737.84 = 13,439.92/x
  3. Step 3: Cross multiply
    33,162.16x = 49,737.84 × 13,439.92
  4. Step 4: Simplify right side
    33,162.16x = 668,472,590.57
  5. Step 5: Solve for x
    x = 668,472,590.57/33,162.16
  6. Step 6: Final answer
    x = 20,157.69

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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.