Home / 35,780.20-49,375.72-21,448.13

Finding the Fourth Proportional to 35,780.20, 49,375.72 and 21,448.13

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Solution

The fourth proportional to 35,780.20, 49,375.72 and 21,448.13 is: 29,597.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,780.20 : 49,375.72 = 21,448.13 : x
  2. Step 2: Convert to fraction form
    35,780.20/49,375.72 = 21,448.13/x
  3. Step 3: Cross multiply
    35,780.20x = 49,375.72 × 21,448.13
  4. Step 4: Simplify right side
    35,780.20x = 1,059,016,861.40
  5. Step 5: Solve for x
    x = 1,059,016,861.40/35,780.20
  6. Step 6: Final answer
    x = 29,597.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.