Home / 38,597.03-57,888.66-20,819.42

Finding the Fourth Proportional to 38,597.03, 57,888.66 and 20,819.42

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Solution

The fourth proportional to 38,597.03, 57,888.66 and 20,819.42 is: 31,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,597.03 : 57,888.66 = 20,819.42 : x
  2. Step 2: Convert to fraction form
    38,597.03/57,888.66 = 20,819.42/x
  3. Step 3: Cross multiply
    38,597.03x = 57,888.66 × 20,819.42
  4. Step 4: Simplify right side
    38,597.03x = 1,205,208,325.78
  5. Step 5: Solve for x
    x = 1,205,208,325.78/38,597.03
  6. Step 6: Final answer
    x = 31,225.42

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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.