Home / 52,042.32-71,811.90-29,378.52

Finding the Fourth Proportional to 52,042.32, 71,811.90 and 29,378.52

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Solution

The fourth proportional to 52,042.32, 71,811.90 and 29,378.52 is: 40,538.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,042.32 : 71,811.90 = 29,378.52 : x
  2. Step 2: Convert to fraction form
    52,042.32/71,811.90 = 29,378.52/x
  3. Step 3: Cross multiply
    52,042.32x = 71,811.90 × 29,378.52
  4. Step 4: Simplify right side
    52,042.32x = 2,109,727,340.39
  5. Step 5: Solve for x
    x = 2,109,727,340.39/52,042.32
  6. Step 6: Final answer
    x = 40,538.69

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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.