Home / 20,832.50-31,242.30-6,042.50

Finding the Fourth Proportional to 20,832.50, 31,242.30 and 6,042.50

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Solution

The fourth proportional to 20,832.50, 31,242.30 and 6,042.50 is: 9,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.50 : 31,242.30 = 6,042.50 : x
  2. Step 2: Convert to fraction form
    20,832.50/31,242.30 = 6,042.50/x
  3. Step 3: Cross multiply
    20,832.50x = 31,242.30 × 6,042.50
  4. Step 4: Simplify right side
    20,832.50x = 188,781,597.75
  5. Step 5: Solve for x
    x = 188,781,597.75/20,832.50
  6. Step 6: Final answer
    x = 9,061.88

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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.