Home / 20,015.70-30,023.54-5,224.48

Finding the Fourth Proportional to 20,015.70, 30,023.54 and 5,224.48

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Solution

The fourth proportional to 20,015.70, 30,023.54 and 5,224.48 is: 7,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.70 : 30,023.54 = 5,224.48 : x
  2. Step 2: Convert to fraction form
    20,015.70/30,023.54 = 5,224.48/x
  3. Step 3: Cross multiply
    20,015.70x = 30,023.54 × 5,224.48
  4. Step 4: Simplify right side
    20,015.70x = 156,857,384.26
  5. Step 5: Solve for x
    x = 156,857,384.26/20,015.70
  6. Step 6: Final answer
    x = 7,836.72

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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.