Home / 32,817.12-45,291.42-18,672.18

Finding the Fourth Proportional to 32,817.12, 45,291.42 and 18,672.18

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Solution

The fourth proportional to 32,817.12, 45,291.42 and 18,672.18 is: 25,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,817.12 : 45,291.42 = 18,672.18 : x
  2. Step 2: Convert to fraction form
    32,817.12/45,291.42 = 18,672.18/x
  3. Step 3: Cross multiply
    32,817.12x = 45,291.42 × 18,672.18
  4. Step 4: Simplify right side
    32,817.12x = 845,689,546.70
  5. Step 5: Solve for x
    x = 845,689,546.70/32,817.12
  6. Step 6: Final answer
    x = 25,769.77

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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.