Home / 57,628.17-86,442.27-18,188.37

Finding the Fourth Proportional to 57,628.17, 86,442.27 and 18,188.37

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Solution

The fourth proportional to 57,628.17, 86,442.27 and 18,188.37 is: 27,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,628.17 : 86,442.27 = 18,188.37 : x
  2. Step 2: Convert to fraction form
    57,628.17/86,442.27 = 18,188.37/x
  3. Step 3: Cross multiply
    57,628.17x = 86,442.27 × 18,188.37
  4. Step 4: Simplify right side
    57,628.17x = 1,572,243,990.40
  5. Step 5: Solve for x
    x = 1,572,243,990.40/57,628.17
  6. Step 6: Final answer
    x = 27,282.56

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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.