Home / 47,578.50-65,658.33-28,715.62

Finding the Fourth Proportional to 47,578.50, 65,658.33 and 28,715.62

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Solution

The fourth proportional to 47,578.50, 65,658.33 and 28,715.62 is: 39,627.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,578.50 : 65,658.33 = 28,715.62 : x
  2. Step 2: Convert to fraction form
    47,578.50/65,658.33 = 28,715.62/x
  3. Step 3: Cross multiply
    47,578.50x = 65,658.33 × 28,715.62
  4. Step 4: Simplify right side
    47,578.50x = 1,885,419,654.11
  5. Step 5: Solve for x
    x = 1,885,419,654.11/47,578.50
  6. Step 6: Final answer
    x = 39,627.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.