Home / 52,635.28-72,636.60-28,761.96

Finding the Fourth Proportional to 52,635.28, 72,636.60 and 28,761.96

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Solution

The fourth proportional to 52,635.28, 72,636.60 and 28,761.96 is: 39,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.28 : 72,636.60 = 28,761.96 : x
  2. Step 2: Convert to fraction form
    52,635.28/72,636.60 = 28,761.96/x
  3. Step 3: Cross multiply
    52,635.28x = 72,636.60 × 28,761.96
  4. Step 4: Simplify right side
    52,635.28x = 2,089,170,983.74
  5. Step 5: Solve for x
    x = 2,089,170,983.74/52,635.28
  6. Step 6: Final answer
    x = 39,691.46

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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.