Home / 67,337.36-100,998.12-20,590.64

Finding the Fourth Proportional to 67,337.36, 100,998.12 and 20,590.64

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Solution

The fourth proportional to 67,337.36, 100,998.12 and 20,590.64 is: 30,883.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,337.36 : 100,998.12 = 20,590.64 : x
  2. Step 2: Convert to fraction form
    67,337.36/100,998.12 = 20,590.64/x
  3. Step 3: Cross multiply
    67,337.36x = 100,998.12 × 20,590.64
  4. Step 4: Simplify right side
    67,337.36x = 2,079,615,929.60
  5. Step 5: Solve for x
    x = 2,079,615,929.60/67,337.36
  6. Step 6: Final answer
    x = 30,883.54

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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.