Home / 57,825.05-86,718.98-18,372.94

Finding the Fourth Proportional to 57,825.05, 86,718.98 and 18,372.94

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Solution

The fourth proportional to 57,825.05, 86,718.98 and 18,372.94 is: 27,553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,825.05 : 86,718.98 = 18,372.94 : x
  2. Step 2: Convert to fraction form
    57,825.05/86,718.98 = 18,372.94/x
  3. Step 3: Cross multiply
    57,825.05x = 86,718.98 × 18,372.94
  4. Step 4: Simplify right side
    57,825.05x = 1,593,282,445.54
  5. Step 5: Solve for x
    x = 1,593,282,445.54/57,825.05
  6. Step 6: Final answer
    x = 27,553.50

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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.