Home / 32,862.96-45,348.44-20,118.16

Finding the Fourth Proportional to 32,862.96, 45,348.44 and 20,118.16

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Solution

The fourth proportional to 32,862.96, 45,348.44 and 20,118.16 is: 27,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,862.96 : 45,348.44 = 20,118.16 : x
  2. Step 2: Convert to fraction form
    32,862.96/45,348.44 = 20,118.16/x
  3. Step 3: Cross multiply
    32,862.96x = 45,348.44 × 20,118.16
  4. Step 4: Simplify right side
    32,862.96x = 912,327,171.67
  5. Step 5: Solve for x
    x = 912,327,171.67/32,862.96
  6. Step 6: Final answer
    x = 27,761.56

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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.