Home / 20,041.44-30,069.32-8,947.14

Finding the Fourth Proportional to 20,041.44, 30,069.32 and 8,947.14

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Solution

The fourth proportional to 20,041.44, 30,069.32 and 8,947.14 is: 13,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041.44 : 30,069.32 = 8,947.14 : x
  2. Step 2: Convert to fraction form
    20,041.44/30,069.32 = 8,947.14/x
  3. Step 3: Cross multiply
    20,041.44x = 30,069.32 × 8,947.14
  4. Step 4: Simplify right side
    20,041.44x = 269,034,371.01
  5. Step 5: Solve for x
    x = 269,034,371.01/20,041.44
  6. Step 6: Final answer
    x = 13,423.90

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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.