Home / 38,415.30-57,602.07-17,330.65

Finding the Fourth Proportional to 38,415.30, 57,602.07 and 17,330.65

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Solution

The fourth proportional to 38,415.30, 57,602.07 and 17,330.65 is: 25,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415.30 : 57,602.07 = 17,330.65 : x
  2. Step 2: Convert to fraction form
    38,415.30/57,602.07 = 17,330.65/x
  3. Step 3: Cross multiply
    38,415.30x = 57,602.07 × 17,330.65
  4. Step 4: Simplify right side
    38,415.30x = 998,281,314.45
  5. Step 5: Solve for x
    x = 998,281,314.45/38,415.30
  6. Step 6: Final answer
    x = 25,986.56

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1.5x scale

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.