Home / 20,313.24-30,470.50-5,522.47

Finding the Fourth Proportional to 20,313.24, 30,470.50 and 5,522.47

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Solution

The fourth proportional to 20,313.24, 30,470.50 and 5,522.47 is: 8,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.24 : 30,470.50 = 5,522.47 : x
  2. Step 2: Convert to fraction form
    20,313.24/30,470.50 = 5,522.47/x
  3. Step 3: Cross multiply
    20,313.24x = 30,470.50 × 5,522.47
  4. Step 4: Simplify right side
    20,313.24x = 168,272,422.14
  5. Step 5: Solve for x
    x = 168,272,422.14/20,313.24
  6. Step 6: Final answer
    x = 8,283.88

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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.