Home / 39,819.76-59,733.24-11,739.76

Finding the Fourth Proportional to 39,819.76, 59,733.24 and 11,739.76

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Solution

The fourth proportional to 39,819.76, 59,733.24 and 11,739.76 is: 17,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.76 : 59,733.24 = 11,739.76 : x
  2. Step 2: Convert to fraction form
    39,819.76/59,733.24 = 11,739.76/x
  3. Step 3: Cross multiply
    39,819.76x = 59,733.24 × 11,739.76
  4. Step 4: Simplify right side
    39,819.76x = 701,253,901.62
  5. Step 5: Solve for x
    x = 701,253,901.62/39,819.76
  6. Step 6: Final answer
    x = 17,610.70

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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.