Home / 39,819.69-59,728.17-11,740.20

Finding the Fourth Proportional to 39,819.69, 59,728.17 and 11,740.20

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Solution

The fourth proportional to 39,819.69, 59,728.17 and 11,740.20 is: 17,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,819.69 : 59,728.17 = 11,740.20 : x
  2. Step 2: Convert to fraction form
    39,819.69/59,728.17 = 11,740.20/x
  3. Step 3: Cross multiply
    39,819.69x = 59,728.17 × 11,740.20
  4. Step 4: Simplify right side
    39,819.69x = 701,220,661.43
  5. Step 5: Solve for x
    x = 701,220,661.43/39,819.69
  6. Step 6: Final answer
    x = 17,609.90

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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.