Home / 38,175.92-52,680.12-21,179.48

Finding the Fourth Proportional to 38,175.92, 52,680.12 and 21,179.48

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Solution

The fourth proportional to 38,175.92, 52,680.12 and 21,179.48 is: 29,226.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,175.92 : 52,680.12 = 21,179.48 : x
  2. Step 2: Convert to fraction form
    38,175.92/52,680.12 = 21,179.48/x
  3. Step 3: Cross multiply
    38,175.92x = 52,680.12 × 21,179.48
  4. Step 4: Simplify right side
    38,175.92x = 1,115,737,547.94
  5. Step 5: Solve for x
    x = 1,115,737,547.94/38,175.92
  6. Step 6: Final answer
    x = 29,226.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.