Home / 38,211.13-57,256.01-25,685.09

Finding the Fourth Proportional to 38,211.13, 57,256.01 and 25,685.09

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Solution

The fourth proportional to 38,211.13, 57,256.01 and 25,685.09 is: 38,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,211.13 : 57,256.01 = 25,685.09 : x
  2. Step 2: Convert to fraction form
    38,211.13/57,256.01 = 25,685.09/x
  3. Step 3: Cross multiply
    38,211.13x = 57,256.01 × 25,685.09
  4. Step 4: Simplify right side
    38,211.13x = 1,470,625,769.89
  5. Step 5: Solve for x
    x = 1,470,625,769.89/38,211.13
  6. Step 6: Final answer
    x = 38,486.84

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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.