Home / 33,421.78-50,154.54-12,645.28

Finding the Fourth Proportional to 33,421.78, 50,154.54 and 12,645.28

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Solution

The fourth proportional to 33,421.78, 50,154.54 and 12,645.28 is: 18,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.78 : 50,154.54 = 12,645.28 : x
  2. Step 2: Convert to fraction form
    33,421.78/50,154.54 = 12,645.28/x
  3. Step 3: Cross multiply
    33,421.78x = 50,154.54 × 12,645.28
  4. Step 4: Simplify right side
    33,421.78x = 634,218,287.97
  5. Step 5: Solve for x
    x = 634,218,287.97/33,421.78
  6. Step 6: Final answer
    x = 18,976.20

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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.