Home / 57,850.65-86,772.33-18,436.05

Finding the Fourth Proportional to 57,850.65, 86,772.33 and 18,436.05

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Solution

The fourth proportional to 57,850.65, 86,772.33 and 18,436.05 is: 27,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.65 : 86,772.33 = 18,436.05 : x
  2. Step 2: Convert to fraction form
    57,850.65/86,772.33 = 18,436.05/x
  3. Step 3: Cross multiply
    57,850.65x = 86,772.33 × 18,436.05
  4. Step 4: Simplify right side
    57,850.65x = 1,599,739,014.50
  5. Step 5: Solve for x
    x = 1,599,739,014.50/57,850.65
  6. Step 6: Final answer
    x = 27,652.91

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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.