Home / 38,525.08-57,787.86-11,870.74

Finding the Fourth Proportional to 38,525.08, 57,787.86 and 11,870.74

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Solution

The fourth proportional to 38,525.08, 57,787.86 and 11,870.74 is: 17,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525.08 : 57,787.86 = 11,870.74 : x
  2. Step 2: Convert to fraction form
    38,525.08/57,787.86 = 11,870.74/x
  3. Step 3: Cross multiply
    38,525.08x = 57,787.86 × 11,870.74
  4. Step 4: Simplify right side
    38,525.08x = 685,984,850.20
  5. Step 5: Solve for x
    x = 685,984,850.20/38,525.08
  6. Step 6: Final answer
    x = 17,806.19

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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.