Home / 32,800.80-49,128.30-25,381.20

Finding the Fourth Proportional to 32,800.80, 49,128.30 and 25,381.20

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Solution

The fourth proportional to 32,800.80, 49,128.30 and 25,381.20 is: 38,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,800.80 : 49,128.30 = 25,381.20 : x
  2. Step 2: Convert to fraction form
    32,800.80/49,128.30 = 25,381.20/x
  3. Step 3: Cross multiply
    32,800.80x = 49,128.30 × 25,381.20
  4. Step 4: Simplify right side
    32,800.80x = 1,246,935,207.96
  5. Step 5: Solve for x
    x = 1,246,935,207.96/32,800.80
  6. Step 6: Final answer
    x = 38,015.39

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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.