Home / 20,604.71-30,932.30-13,590.59

Finding the Fourth Proportional to 20,604.71, 30,932.30 and 13,590.59

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Solution

The fourth proportional to 20,604.71, 30,932.30 and 13,590.59 is: 20,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604.71 : 30,932.30 = 13,590.59 : x
  2. Step 2: Convert to fraction form
    20,604.71/30,932.30 = 13,590.59/x
  3. Step 3: Cross multiply
    20,604.71x = 30,932.30 × 13,590.59
  4. Step 4: Simplify right side
    20,604.71x = 420,388,207.06
  5. Step 5: Solve for x
    x = 420,388,207.06/20,604.71
  6. Step 6: Final answer
    x = 20,402.53

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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.