Home / 38,179.64-57,255.73-13,212.91

Finding the Fourth Proportional to 38,179.64, 57,255.73 and 13,212.91

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Solution

The fourth proportional to 38,179.64, 57,255.73 and 13,212.91 is: 19,814.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.64 : 57,255.73 = 13,212.91 : x
  2. Step 2: Convert to fraction form
    38,179.64/57,255.73 = 13,212.91/x
  3. Step 3: Cross multiply
    38,179.64x = 57,255.73 × 13,212.91
  4. Step 4: Simplify right side
    38,179.64x = 756,514,521.20
  5. Step 5: Solve for x
    x = 756,514,521.20/38,179.64
  6. Step 6: Final answer
    x = 19,814.61

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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.