Home / 57,608.20-86,412.31-18,168.40

Finding the Fourth Proportional to 57,608.20, 86,412.31 and 18,168.40

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Solution

The fourth proportional to 57,608.20, 86,412.31 and 18,168.40 is: 27,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,608.20 : 86,412.31 = 18,168.40 : x
  2. Step 2: Convert to fraction form
    57,608.20/86,412.31 = 18,168.40/x
  3. Step 3: Cross multiply
    57,608.20x = 86,412.31 × 18,168.40
  4. Step 4: Simplify right side
    57,608.20x = 1,569,973,413.00
  5. Step 5: Solve for x
    x = 1,569,973,413.00/57,608.20
  6. Step 6: Final answer
    x = 27,252.60

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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.