Home / 33,345.60-50,002.20-18,538.80

Finding the Fourth Proportional to 33,345.60, 50,002.20 and 18,538.80

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Solution

The fourth proportional to 33,345.60, 50,002.20 and 18,538.80 is: 27,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,345.60 : 50,002.20 = 18,538.80 : x
  2. Step 2: Convert to fraction form
    33,345.60/50,002.20 = 18,538.80/x
  3. Step 3: Cross multiply
    33,345.60x = 50,002.20 × 18,538.80
  4. Step 4: Simplify right side
    33,345.60x = 926,980,785.36
  5. Step 5: Solve for x
    x = 926,980,785.36/33,345.60
  6. Step 6: Final answer
    x = 27,799.19

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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.