Home / 34,226.99-47,213.53-20,605.55

Finding the Fourth Proportional to 34,226.99, 47,213.53 and 20,605.55

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Solution

The fourth proportional to 34,226.99, 47,213.53 and 20,605.55 is: 28,423.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,226.99 : 47,213.53 = 20,605.55 : x
  2. Step 2: Convert to fraction form
    34,226.99/47,213.53 = 20,605.55/x
  3. Step 3: Cross multiply
    34,226.99x = 47,213.53 × 20,605.55
  4. Step 4: Simplify right side
    34,226.99x = 972,860,819.61
  5. Step 5: Solve for x
    x = 972,860,819.61/34,226.99
  6. Step 6: Final answer
    x = 28,423.80

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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.