Home / 32,786.20-49,082.10-21,705.40

Finding the Fourth Proportional to 32,786.20, 49,082.10 and 21,705.40

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Solution

The fourth proportional to 32,786.20, 49,082.10 and 21,705.40 is: 32,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,786.20 : 49,082.10 = 21,705.40 : x
  2. Step 2: Convert to fraction form
    32,786.20/49,082.10 = 21,705.40/x
  3. Step 3: Cross multiply
    32,786.20x = 49,082.10 × 21,705.40
  4. Step 4: Simplify right side
    32,786.20x = 1,065,346,613.34
  5. Step 5: Solve for x
    x = 1,065,346,613.34/32,786.20
  6. Step 6: Final answer
    x = 32,493.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.