Home / 57,362.15-86,043.23-17,919.31

Finding the Fourth Proportional to 57,362.15, 86,043.23 and 17,919.31

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Solution

The fourth proportional to 57,362.15, 86,043.23 and 17,919.31 is: 26,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,362.15 : 86,043.23 = 17,919.31 : x
  2. Step 2: Convert to fraction form
    57,362.15/86,043.23 = 17,919.31/x
  3. Step 3: Cross multiply
    57,362.15x = 86,043.23 × 17,919.31
  4. Step 4: Simplify right side
    57,362.15x = 1,541,834,791.96
  5. Step 5: Solve for x
    x = 1,541,834,791.96/57,362.15
  6. Step 6: Final answer
    x = 26,878.96

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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.