Home / 38,387.32-52,974.61-22,467.78

Finding the Fourth Proportional to 38,387.32, 52,974.61 and 22,467.78

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Solution

The fourth proportional to 38,387.32, 52,974.61 and 22,467.78 is: 31,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,387.32 : 52,974.61 = 22,467.78 : x
  2. Step 2: Convert to fraction form
    38,387.32/52,974.61 = 22,467.78/x
  3. Step 3: Cross multiply
    38,387.32x = 52,974.61 × 22,467.78
  4. Step 4: Simplify right side
    38,387.32x = 1,190,221,826.90
  5. Step 5: Solve for x
    x = 1,190,221,826.90/38,387.32
  6. Step 6: Final answer
    x = 31,005.60

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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.