Home / 57,722.41-86,596.61-20,285.07

Finding the Fourth Proportional to 57,722.41, 86,596.61 and 20,285.07

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Solution

The fourth proportional to 57,722.41, 86,596.61 and 20,285.07 is: 30,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.41 : 86,596.61 = 20,285.07 : x
  2. Step 2: Convert to fraction form
    57,722.41/86,596.61 = 20,285.07/x
  3. Step 3: Cross multiply
    57,722.41x = 86,596.61 × 20,285.07
  4. Step 4: Simplify right side
    57,722.41x = 1,756,618,295.61
  5. Step 5: Solve for x
    x = 1,756,618,295.61/57,722.41
  6. Step 6: Final answer
    x = 30,432.17

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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.