Home / 32,829.76-45,310.28-18,687.16

Finding the Fourth Proportional to 32,829.76, 45,310.28 and 18,687.16

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Solution

The fourth proportional to 32,829.76, 45,310.28 and 18,687.16 is: 25,791.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,829.76 : 45,310.28 = 18,687.16 : x
  2. Step 2: Convert to fraction form
    32,829.76/45,310.28 = 18,687.16/x
  3. Step 3: Cross multiply
    32,829.76x = 45,310.28 × 18,687.16
  4. Step 4: Simplify right side
    32,829.76x = 846,720,452.00
  5. Step 5: Solve for x
    x = 846,720,452.00/32,829.76
  6. Step 6: Final answer
    x = 25,791.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.