Home / 38,476.10-57,714.15-12,182.90

Finding the Fourth Proportional to 38,476.10, 57,714.15 and 12,182.90

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Solution

The fourth proportional to 38,476.10, 57,714.15 and 12,182.90 is: 18,274.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.10 : 57,714.15 = 12,182.90 : x
  2. Step 2: Convert to fraction form
    38,476.10/57,714.15 = 12,182.90/x
  3. Step 3: Cross multiply
    38,476.10x = 57,714.15 × 12,182.90
  4. Step 4: Simplify right side
    38,476.10x = 703,125,718.04
  5. Step 5: Solve for x
    x = 703,125,718.04/38,476.10
  6. Step 6: Final answer
    x = 18,274.35

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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.