Home / 45,979.38-68,689.56-29,205.09

Finding the Fourth Proportional to 45,979.38, 68,689.56 and 29,205.09

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Solution

The fourth proportional to 45,979.38, 68,689.56 and 29,205.09 is: 43,630.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,979.38 : 68,689.56 = 29,205.09 : x
  2. Step 2: Convert to fraction form
    45,979.38/68,689.56 = 29,205.09/x
  3. Step 3: Cross multiply
    45,979.38x = 68,689.56 × 29,205.09
  4. Step 4: Simplify right side
    45,979.38x = 2,006,084,781.86
  5. Step 5: Solve for x
    x = 2,006,084,781.86/45,979.38
  6. Step 6: Final answer
    x = 43,630.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.