Home / 20,837.52-31,293.18-19,976.46

Finding the Fourth Proportional to 20,837.52, 31,293.18 and 19,976.46

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Solution

The fourth proportional to 20,837.52, 31,293.18 and 19,976.46 is: 30,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.52 : 31,293.18 = 19,976.46 : x
  2. Step 2: Convert to fraction form
    20,837.52/31,293.18 = 19,976.46/x
  3. Step 3: Cross multiply
    20,837.52x = 31,293.18 × 19,976.46
  4. Step 4: Simplify right side
    20,837.52x = 625,126,958.54
  5. Step 5: Solve for x
    x = 625,126,958.54/20,837.52
  6. Step 6: Final answer
    x = 30,000.07

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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.