Home / 20,038.68-30,062.31-5,999.79

Finding the Fourth Proportional to 20,038.68, 30,062.31 and 5,999.79

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Solution

The fourth proportional to 20,038.68, 30,062.31 and 5,999.79 is: 9,000.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,038.68 : 30,062.31 = 5,999.79 : x
  2. Step 2: Convert to fraction form
    20,038.68/30,062.31 = 5,999.79/x
  3. Step 3: Cross multiply
    20,038.68x = 30,062.31 × 5,999.79
  4. Step 4: Simplify right side
    20,038.68x = 180,367,546.91
  5. Step 5: Solve for x
    x = 180,367,546.91/20,038.68
  6. Step 6: Final answer
    x = 9,000.97

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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.