Home / 52,634.63-72,635.97-28,761.30

Finding the Fourth Proportional to 52,634.63, 72,635.97 and 28,761.30

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Solution

The fourth proportional to 52,634.63, 72,635.97 and 28,761.30 is: 39,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,634.63 : 72,635.97 = 28,761.30 : x
  2. Step 2: Convert to fraction form
    52,634.63/72,635.97 = 28,761.30/x
  3. Step 3: Cross multiply
    52,634.63x = 72,635.97 × 28,761.30
  4. Step 4: Simplify right side
    52,634.63x = 2,089,105,236.10
  5. Step 5: Solve for x
    x = 2,089,105,236.10/52,634.63
  6. Step 6: Final answer
    x = 39,690.70

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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.