Home / 35,979.60-49,649.96-20,063.72

Finding the Fourth Proportional to 35,979.60, 49,649.96 and 20,063.72

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Solution

The fourth proportional to 35,979.60, 49,649.96 and 20,063.72 is: 27,686.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,979.60 : 49,649.96 = 20,063.72 : x
  2. Step 2: Convert to fraction form
    35,979.60/49,649.96 = 20,063.72/x
  3. Step 3: Cross multiply
    35,979.60x = 49,649.96 × 20,063.72
  4. Step 4: Simplify right side
    35,979.60x = 996,162,895.45
  5. Step 5: Solve for x
    x = 996,162,895.45/35,979.60
  6. Step 6: Final answer
    x = 27,686.88

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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.