Home / 57,586.41-86,393.25-18,143.40

Finding the Fourth Proportional to 57,586.41, 86,393.25 and 18,143.40

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Solution

The fourth proportional to 57,586.41, 86,393.25 and 18,143.40 is: 27,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,586.41 : 86,393.25 = 18,143.40 : x
  2. Step 2: Convert to fraction form
    57,586.41/86,393.25 = 18,143.40/x
  3. Step 3: Cross multiply
    57,586.41x = 86,393.25 × 18,143.40
  4. Step 4: Simplify right side
    57,586.41x = 1,567,467,292.05
  5. Step 5: Solve for x
    x = 1,567,467,292.05/57,586.41
  6. Step 6: Final answer
    x = 27,219.40

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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.