Home / 63,985.20-88,297.74-35,690.28

Finding the Fourth Proportional to 63,985.20, 88,297.74 and 35,690.28

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Solution

The fourth proportional to 63,985.20, 88,297.74 and 35,690.28 is: 49,251.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,985.20 : 88,297.74 = 35,690.28 : x
  2. Step 2: Convert to fraction form
    63,985.20/88,297.74 = 35,690.28/x
  3. Step 3: Cross multiply
    63,985.20x = 88,297.74 × 35,690.28
  4. Step 4: Simplify right side
    63,985.20x = 3,151,371,063.97
  5. Step 5: Solve for x
    x = 3,151,371,063.97/63,985.20
  6. Step 6: Final answer
    x = 49,251.56

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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.