Home / 57,722.54-86,596.79-20,285.19

Finding the Fourth Proportional to 57,722.54, 86,596.79 and 20,285.19

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Solution

The fourth proportional to 57,722.54, 86,596.79 and 20,285.19 is: 30,432.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.54 : 86,596.79 = 20,285.19 : x
  2. Step 2: Convert to fraction form
    57,722.54/86,596.79 = 20,285.19/x
  3. Step 3: Cross multiply
    57,722.54x = 86,596.79 × 20,285.19
  4. Step 4: Simplify right side
    57,722.54x = 1,756,632,237.11
  5. Step 5: Solve for x
    x = 1,756,632,237.11/57,722.54
  6. Step 6: Final answer
    x = 30,432.35

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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.