Home / 29,311.28-40,450.31-17,987.03

Finding the Fourth Proportional to 29,311.28, 40,450.31 and 17,987.03

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Solution

The fourth proportional to 29,311.28, 40,450.31 and 17,987.03 is: 24,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.28 : 40,450.31 = 17,987.03 : x
  2. Step 2: Convert to fraction form
    29,311.28/40,450.31 = 17,987.03/x
  3. Step 3: Cross multiply
    29,311.28x = 40,450.31 × 17,987.03
  4. Step 4: Simplify right side
    29,311.28x = 727,580,838.35
  5. Step 5: Solve for x
    x = 727,580,838.35/29,311.28
  6. Step 6: Final answer
    x = 24,822.56

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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.