Home / 33,156.13-49,734.20-9,780.75

Finding the Fourth Proportional to 33,156.13, 49,734.20 and 9,780.75

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Solution

The fourth proportional to 33,156.13, 49,734.20 and 9,780.75 is: 14,671.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,156.13 : 49,734.20 = 9,780.75 : x
  2. Step 2: Convert to fraction form
    33,156.13/49,734.20 = 9,780.75/x
  3. Step 3: Cross multiply
    33,156.13x = 49,734.20 × 9,780.75
  4. Step 4: Simplify right side
    33,156.13x = 486,437,776.65
  5. Step 5: Solve for x
    x = 486,437,776.65/33,156.13
  6. Step 6: Final answer
    x = 14,671.13

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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.