Home / 20,450.89-30,677.02-5,658.57

Finding the Fourth Proportional to 20,450.89, 30,677.02 and 5,658.57

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Solution

The fourth proportional to 20,450.89, 30,677.02 and 5,658.57 is: 8,488.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.89 : 30,677.02 = 5,658.57 : x
  2. Step 2: Convert to fraction form
    20,450.89/30,677.02 = 5,658.57/x
  3. Step 3: Cross multiply
    20,450.89x = 30,677.02 × 5,658.57
  4. Step 4: Simplify right side
    20,450.89x = 173,588,050.91
  5. Step 5: Solve for x
    x = 173,588,050.91/20,450.89
  6. Step 6: Final answer
    x = 8,488.04

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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.