Home / 74,044.74-111,067.13-21,454.26

Finding the Fourth Proportional to 74,044.74, 111,067.13 and 21,454.26

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Solution

The fourth proportional to 74,044.74, 111,067.13 and 21,454.26 is: 32,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,044.74 : 111,067.13 = 21,454.26 : x
  2. Step 2: Convert to fraction form
    74,044.74/111,067.13 = 21,454.26/x
  3. Step 3: Cross multiply
    74,044.74x = 111,067.13 × 21,454.26
  4. Step 4: Simplify right side
    74,044.74x = 2,382,863,084.47
  5. Step 5: Solve for x
    x = 2,382,863,084.47/74,044.74
  6. Step 6: Final answer
    x = 32,181.40

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1.5x scale

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.