Home / 38,479.05-57,714.93-12,181.59

Finding the Fourth Proportional to 38,479.05, 57,714.93 and 12,181.59

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Solution

The fourth proportional to 38,479.05, 57,714.93 and 12,181.59 is: 18,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.05 : 57,714.93 = 12,181.59 : x
  2. Step 2: Convert to fraction form
    38,479.05/57,714.93 = 12,181.59/x
  3. Step 3: Cross multiply
    38,479.05x = 57,714.93 × 12,181.59
  4. Step 4: Simplify right side
    38,479.05x = 703,059,614.14
  5. Step 5: Solve for x
    x = 703,059,614.14/38,479.05
  6. Step 6: Final answer
    x = 18,271.23

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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.