Home / 57,378.40-86,067.66-17,935.72

Finding the Fourth Proportional to 57,378.40, 86,067.66 and 17,935.72

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Solution

The fourth proportional to 57,378.40, 86,067.66 and 17,935.72 is: 26,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,378.40 : 86,067.66 = 17,935.72 : x
  2. Step 2: Convert to fraction form
    57,378.40/86,067.66 = 17,935.72/x
  3. Step 3: Cross multiply
    57,378.40x = 86,067.66 × 17,935.72
  4. Step 4: Simplify right side
    57,378.40x = 1,543,685,450.82
  5. Step 5: Solve for x
    x = 1,543,685,450.82/57,378.40
  6. Step 6: Final answer
    x = 26,903.60

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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.