Home / 32,851.20-49,301.10-13,143.90

Finding the Fourth Proportional to 32,851.20, 49,301.10 and 13,143.90

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Solution

The fourth proportional to 32,851.20, 49,301.10 and 13,143.90 is: 19,725.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,851.20 : 49,301.10 = 13,143.90 : x
  2. Step 2: Convert to fraction form
    32,851.20/49,301.10 = 13,143.90/x
  3. Step 3: Cross multiply
    32,851.20x = 49,301.10 × 13,143.90
  4. Step 4: Simplify right side
    32,851.20x = 648,008,728.29
  5. Step 5: Solve for x
    x = 648,008,728.29/32,851.20
  6. Step 6: Final answer
    x = 19,725.57

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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.