Home / 33,153.79-49,700.70-12,088.90

Finding the Fourth Proportional to 33,153.79, 49,700.70 and 12,088.90

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Solution

The fourth proportional to 33,153.79, 49,700.70 and 12,088.90 is: 18,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,153.79 : 49,700.70 = 12,088.90 : x
  2. Step 2: Convert to fraction form
    33,153.79/49,700.70 = 12,088.90/x
  3. Step 3: Cross multiply
    33,153.79x = 49,700.70 × 12,088.90
  4. Step 4: Simplify right side
    33,153.79x = 600,826,829.80
  5. Step 5: Solve for x
    x = 600,826,829.80/33,153.79
  6. Step 6: Final answer
    x = 18,122.42

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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.