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Finding the Fourth Proportional to 35,959.60, 49,624.90 and 20,042.34

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Solution

The fourth proportional to 35,959.60, 49,624.90 and 20,042.34 is: 27,658.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.60 : 49,624.90 = 20,042.34 : x
  2. Step 2: Convert to fraction form
    35,959.60/49,624.90 = 20,042.34/x
  3. Step 3: Cross multiply
    35,959.60x = 49,624.90 × 20,042.34
  4. Step 4: Simplify right side
    35,959.60x = 994,599,118.27
  5. Step 5: Solve for x
    x = 994,599,118.27/35,959.60
  6. Step 6: Final answer
    x = 27,658.79

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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.