Home / 38,815.12-58,181.15-20,076.29

Finding the Fourth Proportional to 38,815.12, 58,181.15 and 20,076.29

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Solution

The fourth proportional to 38,815.12, 58,181.15 and 20,076.29 is: 30,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.12 : 58,181.15 = 20,076.29 : x
  2. Step 2: Convert to fraction form
    38,815.12/58,181.15 = 20,076.29/x
  3. Step 3: Cross multiply
    38,815.12x = 58,181.15 × 20,076.29
  4. Step 4: Simplify right side
    38,815.12x = 1,168,061,248.65
  5. Step 5: Solve for x
    x = 1,168,061,248.65/38,815.12
  6. Step 6: Final answer
    x = 30,092.95

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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.