Home / 20,332.85-30,496.12-5,542.97

Finding the Fourth Proportional to 20,332.85, 30,496.12 and 5,542.97

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Solution

The fourth proportional to 20,332.85, 30,496.12 and 5,542.97 is: 8,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.85 : 30,496.12 = 5,542.97 : x
  2. Step 2: Convert to fraction form
    20,332.85/30,496.12 = 5,542.97/x
  3. Step 3: Cross multiply
    20,332.85x = 30,496.12 × 5,542.97
  4. Step 4: Simplify right side
    20,332.85x = 169,038,911.94
  5. Step 5: Solve for x
    x = 169,038,911.94/20,332.85
  6. Step 6: Final answer
    x = 8,313.59

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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.