Home / 57,799.37-86,688.12-18,356.83

Finding the Fourth Proportional to 57,799.37, 86,688.12 and 18,356.83

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Solution

The fourth proportional to 57,799.37, 86,688.12 and 18,356.83 is: 27,531.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,799.37 : 86,688.12 = 18,356.83 : x
  2. Step 2: Convert to fraction form
    57,799.37/86,688.12 = 18,356.83/x
  3. Step 3: Cross multiply
    57,799.37x = 86,688.12 × 18,356.83
  4. Step 4: Simplify right side
    57,799.37x = 1,591,318,933.98
  5. Step 5: Solve for x
    x = 1,591,318,933.98/57,799.37
  6. Step 6: Final answer
    x = 27,531.77

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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.