Home / 37,879.20-56,819.40-15,687.24

Finding the Fourth Proportional to 37,879.20, 56,819.40 and 15,687.24

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Solution

The fourth proportional to 37,879.20, 56,819.40 and 15,687.24 is: 23,531.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,879.20 : 56,819.40 = 15,687.24 : x
  2. Step 2: Convert to fraction form
    37,879.20/56,819.40 = 15,687.24/x
  3. Step 3: Cross multiply
    37,879.20x = 56,819.40 × 15,687.24
  4. Step 4: Simplify right side
    37,879.20x = 891,339,564.46
  5. Step 5: Solve for x
    x = 891,339,564.46/37,879.20
  6. Step 6: Final answer
    x = 23,531.11

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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.