Home / 57,087.26-85,639.10-17,647.45

Finding the Fourth Proportional to 57,087.26, 85,639.10 and 17,647.45

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Solution

The fourth proportional to 57,087.26, 85,639.10 and 17,647.45 is: 26,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.26 : 85,639.10 = 17,647.45 : x
  2. Step 2: Convert to fraction form
    57,087.26/85,639.10 = 17,647.45/x
  3. Step 3: Cross multiply
    57,087.26x = 85,639.10 × 17,647.45
  4. Step 4: Simplify right side
    57,087.26x = 1,511,311,964.31
  5. Step 5: Solve for x
    x = 1,511,311,964.31/57,087.26
  6. Step 6: Final answer
    x = 26,473.71

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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.