Home / 38,415.05-57,601.70-17,330.40

Finding the Fourth Proportional to 38,415.05, 57,601.70 and 17,330.40

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Solution

The fourth proportional to 38,415.05, 57,601.70 and 17,330.40 is: 25,986.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,415.05 : 57,601.70 = 17,330.40 : x
  2. Step 2: Convert to fraction form
    38,415.05/57,601.70 = 17,330.40/x
  3. Step 3: Cross multiply
    38,415.05x = 57,601.70 × 17,330.40
  4. Step 4: Simplify right side
    38,415.05x = 998,260,415.03
  5. Step 5: Solve for x
    x = 998,260,415.03/38,415.05
  6. Step 6: Final answer
    x = 25,986.18

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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.