Home / 27,242.12-40,775.70-18,341.03

Finding the Fourth Proportional to 27,242.12, 40,775.70 and 18,341.03

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Solution

The fourth proportional to 27,242.12, 40,775.70 and 18,341.03 is: 27,452.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,242.12 : 40,775.70 = 18,341.03 : x
  2. Step 2: Convert to fraction form
    27,242.12/40,775.70 = 18,341.03/x
  3. Step 3: Cross multiply
    27,242.12x = 40,775.70 × 18,341.03
  4. Step 4: Simplify right side
    27,242.12x = 747,868,507.69
  5. Step 5: Solve for x
    x = 747,868,507.69/27,242.12
  6. Step 6: Final answer
    x = 27,452.65

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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.