Home / 20,441.75-30,658.91-5,647.50

Finding the Fourth Proportional to 20,441.75, 30,658.91 and 5,647.50

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Solution

The fourth proportional to 20,441.75, 30,658.91 and 5,647.50 is: 8,470.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.75 : 30,658.91 = 5,647.50 : x
  2. Step 2: Convert to fraction form
    20,441.75/30,658.91 = 5,647.50/x
  3. Step 3: Cross multiply
    20,441.75x = 30,658.91 × 5,647.50
  4. Step 4: Simplify right side
    20,441.75x = 173,146,165.99
  5. Step 5: Solve for x
    x = 173,146,165.99/20,441.75
  6. Step 6: Final answer
    x = 8,470.22

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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.