Home / 57,087.24-85,639.08-17,647.80

Finding the Fourth Proportional to 57,087.24, 85,639.08 and 17,647.80

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Solution

The fourth proportional to 57,087.24, 85,639.08 and 17,647.80 is: 26,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,087.24 : 85,639.08 = 17,647.80 : x
  2. Step 2: Convert to fraction form
    57,087.24/85,639.08 = 17,647.80/x
  3. Step 3: Cross multiply
    57,087.24x = 85,639.08 × 17,647.80
  4. Step 4: Simplify right side
    57,087.24x = 1,511,341,356.02
  5. Step 5: Solve for x
    x = 1,511,341,356.02/57,087.24
  6. Step 6: Final answer
    x = 26,474.24

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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.