Home / 57,520.09-86,269.20-19,571.09

Finding the Fourth Proportional to 57,520.09, 86,269.20 and 19,571.09

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Solution

The fourth proportional to 57,520.09, 86,269.20 and 19,571.09 is: 29,352.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,520.09 : 86,269.20 = 19,571.09 : x
  2. Step 2: Convert to fraction form
    57,520.09/86,269.20 = 19,571.09/x
  3. Step 3: Cross multiply
    57,520.09x = 86,269.20 × 19,571.09
  4. Step 4: Simplify right side
    57,520.09x = 1,688,381,882.78
  5. Step 5: Solve for x
    x = 1,688,381,882.78/57,520.09
  6. Step 6: Final answer
    x = 29,352.91

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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.