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Finding the Fourth Proportional to 43,272.76, 64,738.40 and 32,773.14

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Solution

The fourth proportional to 43,272.76, 64,738.40 and 32,773.14 is: 49,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,272.76 : 64,738.40 = 32,773.14 : x
  2. Step 2: Convert to fraction form
    43,272.76/64,738.40 = 32,773.14/x
  3. Step 3: Cross multiply
    43,272.76x = 64,738.40 × 32,773.14
  4. Step 4: Simplify right side
    43,272.76x = 2,121,680,646.58
  5. Step 5: Solve for x
    x = 2,121,680,646.58/43,272.76
  6. Step 6: Final answer
    x = 49,030.40

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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.