Home / 38,479.50-57,721.44-10,779.66

Finding the Fourth Proportional to 38,479.50, 57,721.44 and 10,779.66

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Solution

The fourth proportional to 38,479.50, 57,721.44 and 10,779.66 is: 16,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.50 : 57,721.44 = 10,779.66 : x
  2. Step 2: Convert to fraction form
    38,479.50/57,721.44 = 10,779.66/x
  3. Step 3: Cross multiply
    38,479.50x = 57,721.44 × 10,779.66
  4. Step 4: Simplify right side
    38,479.50x = 622,217,497.91
  5. Step 5: Solve for x
    x = 622,217,497.91/38,479.50
  6. Step 6: Final answer
    x = 16,170.10

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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.