Home / 20,449.18-30,680.24-7,301.26

Finding the Fourth Proportional to 20,449.18, 30,680.24 and 7,301.26

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Solution

The fourth proportional to 20,449.18, 30,680.24 and 7,301.26 is: 10,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,449.18 : 30,680.24 = 7,301.26 : x
  2. Step 2: Convert to fraction form
    20,449.18/30,680.24 = 7,301.26/x
  3. Step 3: Cross multiply
    20,449.18x = 30,680.24 × 7,301.26
  4. Step 4: Simplify right side
    20,449.18x = 224,004,409.10
  5. Step 5: Solve for x
    x = 224,004,409.10/20,449.18
  6. Step 6: Final answer
    x = 10,954.20

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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.