Home / 38,534.22-57,795.30-12,235.50

Finding the Fourth Proportional to 38,534.22, 57,795.30 and 12,235.50

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Solution

The fourth proportional to 38,534.22, 57,795.30 and 12,235.50 is: 18,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,534.22 : 57,795.30 = 12,235.50 : x
  2. Step 2: Convert to fraction form
    38,534.22/57,795.30 = 12,235.50/x
  3. Step 3: Cross multiply
    38,534.22x = 57,795.30 × 12,235.50
  4. Step 4: Simplify right side
    38,534.22x = 707,154,393.15
  5. Step 5: Solve for x
    x = 707,154,393.15/38,534.22
  6. Step 6: Final answer
    x = 18,351.34

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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.