Home / 32,820.78-49,247.25-20,337.48

Finding the Fourth Proportional to 32,820.78, 49,247.25 and 20,337.48

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Solution

The fourth proportional to 32,820.78, 49,247.25 and 20,337.48 is: 30,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,820.78 : 49,247.25 = 20,337.48 : x
  2. Step 2: Convert to fraction form
    32,820.78/49,247.25 = 20,337.48/x
  3. Step 3: Cross multiply
    32,820.78x = 49,247.25 × 20,337.48
  4. Step 4: Simplify right side
    32,820.78x = 1,001,564,961.93
  5. Step 5: Solve for x
    x = 1,001,564,961.93/32,820.78
  6. Step 6: Final answer
    x = 30,516.18

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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.