Home / 20,091.11-30,133.23-5,300.18

Finding the Fourth Proportional to 20,091.11, 30,133.23 and 5,300.18

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Solution

The fourth proportional to 20,091.11, 30,133.23 and 5,300.18 is: 7,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,091.11 : 30,133.23 = 5,300.18 : x
  2. Step 2: Convert to fraction form
    20,091.11/30,133.23 = 5,300.18/x
  3. Step 3: Cross multiply
    20,091.11x = 30,133.23 × 5,300.18
  4. Step 4: Simplify right side
    20,091.11x = 159,711,392.32
  5. Step 5: Solve for x
    x = 159,711,392.32/20,091.11
  6. Step 6: Final answer
    x = 7,949.36

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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.