Home / 33,159.62-49,737.81-12,381.50

Finding the Fourth Proportional to 33,159.62, 49,737.81 and 12,381.50

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Solution

The fourth proportional to 33,159.62, 49,737.81 and 12,381.50 is: 18,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,159.62 : 49,737.81 = 12,381.50 : x
  2. Step 2: Convert to fraction form
    33,159.62/49,737.81 = 12,381.50/x
  3. Step 3: Cross multiply
    33,159.62x = 49,737.81 × 12,381.50
  4. Step 4: Simplify right side
    33,159.62x = 615,828,694.52
  5. Step 5: Solve for x
    x = 615,828,694.52/33,159.62
  6. Step 6: Final answer
    x = 18,571.65

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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.