Home / 35,578.20-49,101.72-20,471.52

Finding the Fourth Proportional to 35,578.20, 49,101.72 and 20,471.52

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Solution

The fourth proportional to 35,578.20, 49,101.72 and 20,471.52 is: 28,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,578.20 : 49,101.72 = 20,471.52 : x
  2. Step 2: Convert to fraction form
    35,578.20/49,101.72 = 20,471.52/x
  3. Step 3: Cross multiply
    35,578.20x = 49,101.72 × 20,471.52
  4. Step 4: Simplify right side
    35,578.20x = 1,005,186,843.01
  5. Step 5: Solve for x
    x = 1,005,186,843.01/35,578.20
  6. Step 6: Final answer
    x = 28,252.89

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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.