Home / 42,296.60-63,358.78-20,042.52

Finding the Fourth Proportional to 42,296.60, 63,358.78 and 20,042.52

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Solution

The fourth proportional to 42,296.60, 63,358.78 and 20,042.52 is: 30,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,296.60 : 63,358.78 = 20,042.52 : x
  2. Step 2: Convert to fraction form
    42,296.60/63,358.78 = 20,042.52/x
  3. Step 3: Cross multiply
    42,296.60x = 63,358.78 × 20,042.52
  4. Step 4: Simplify right side
    42,296.60x = 1,269,869,615.33
  5. Step 5: Solve for x
    x = 1,269,869,615.33/42,296.60
  6. Step 6: Final answer
    x = 30,022.97

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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.