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Finding the Fourth Proportional to 20,001.52, 30,005.52 and 6,150.52

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Solution

The fourth proportional to 20,001.52, 30,005.52 and 6,150.52 is: 9,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.52 : 30,005.52 = 6,150.52 : x
  2. Step 2: Convert to fraction form
    20,001.52/30,005.52 = 6,150.52/x
  3. Step 3: Cross multiply
    20,001.52x = 30,005.52 × 6,150.52
  4. Step 4: Simplify right side
    20,001.52x = 184,549,550.87
  5. Step 5: Solve for x
    x = 184,549,550.87/20,001.52
  6. Step 6: Final answer
    x = 9,226.78

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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.