Home / 67,979.71-101,971.58-32,444.78

Finding the Fourth Proportional to 67,979.71, 101,971.58 and 32,444.78

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Solution

The fourth proportional to 67,979.71, 101,971.58 and 32,444.78 is: 48,668.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,979.71 : 101,971.58 = 32,444.78 : x
  2. Step 2: Convert to fraction form
    67,979.71/101,971.58 = 32,444.78/x
  3. Step 3: Cross multiply
    67,979.71x = 101,971.58 × 32,444.78
  4. Step 4: Simplify right side
    67,979.71x = 3,308,445,367.82
  5. Step 5: Solve for x
    x = 3,308,445,367.82/67,979.71
  6. Step 6: Final answer
    x = 48,668.13

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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.