Home / 20,452.50-30,677.10-5,661.69

Finding the Fourth Proportional to 20,452.50, 30,677.10 and 5,661.69

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Solution

The fourth proportional to 20,452.50, 30,677.10 and 5,661.69 is: 8,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,452.50 : 30,677.10 = 5,661.69 : x
  2. Step 2: Convert to fraction form
    20,452.50/30,677.10 = 5,661.69/x
  3. Step 3: Cross multiply
    20,452.50x = 30,677.10 × 5,661.69
  4. Step 4: Simplify right side
    20,452.50x = 173,684,230.30
  5. Step 5: Solve for x
    x = 173,684,230.30/20,452.50
  6. Step 6: Final answer
    x = 8,492.08

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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.