Home / 32,721.44-45,157.92-18,575.21

Finding the Fourth Proportional to 32,721.44, 45,157.92 and 18,575.21

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Solution

The fourth proportional to 32,721.44, 45,157.92 and 18,575.21 is: 25,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,721.44 : 45,157.92 = 18,575.21 : x
  2. Step 2: Convert to fraction form
    32,721.44/45,157.92 = 18,575.21/x
  3. Step 3: Cross multiply
    32,721.44x = 45,157.92 × 18,575.21
  4. Step 4: Simplify right side
    32,721.44x = 838,817,847.16
  5. Step 5: Solve for x
    x = 838,817,847.16/32,721.44
  6. Step 6: Final answer
    x = 25,635.11

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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.