Home / 32,720.32-49,086.24-11,972.80

Finding the Fourth Proportional to 32,720.32, 49,086.24 and 11,972.80

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Solution

The fourth proportional to 32,720.32, 49,086.24 and 11,972.80 is: 17,961.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,720.32 : 49,086.24 = 11,972.80 : x
  2. Step 2: Convert to fraction form
    32,720.32/49,086.24 = 11,972.80/x
  3. Step 3: Cross multiply
    32,720.32x = 49,086.24 × 11,972.80
  4. Step 4: Simplify right side
    32,720.32x = 587,699,734.27
  5. Step 5: Solve for x
    x = 587,699,734.27/32,720.32
  6. Step 6: Final answer
    x = 17,961.31

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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.