Home / 83,632.60-125,449.62-21,303.04

Finding the Fourth Proportional to 83,632.60, 125,449.62 and 21,303.04

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Solution

The fourth proportional to 83,632.60, 125,449.62 and 21,303.04 is: 31,954.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,632.60 : 125,449.62 = 21,303.04 : x
  2. Step 2: Convert to fraction form
    83,632.60/125,449.62 = 21,303.04/x
  3. Step 3: Cross multiply
    83,632.60x = 125,449.62 × 21,303.04
  4. Step 4: Simplify right side
    83,632.60x = 2,672,458,272.84
  5. Step 5: Solve for x
    x = 2,672,458,272.84/83,632.60
  6. Step 6: Final answer
    x = 31,954.74

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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.