Home / 57,942.92-86,895.84-18,490.88

Finding the Fourth Proportional to 57,942.92, 86,895.84 and 18,490.88

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Solution

The fourth proportional to 57,942.92, 86,895.84 and 18,490.88 is: 27,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,942.92 : 86,895.84 = 18,490.88 : x
  2. Step 2: Convert to fraction form
    57,942.92/86,895.84 = 18,490.88/x
  3. Step 3: Cross multiply
    57,942.92x = 86,895.84 × 18,490.88
  4. Step 4: Simplify right side
    57,942.92x = 1,606,780,549.94
  5. Step 5: Solve for x
    x = 1,606,780,549.94/57,942.92
  6. Step 6: Final answer
    x = 27,730.40

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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.