Home / 34,680.98-52,021.62-8,385.68

Finding the Fourth Proportional to 34,680.98, 52,021.62 and 8,385.68

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Solution

The fourth proportional to 34,680.98, 52,021.62 and 8,385.68 is: 12,578.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.98 : 52,021.62 = 8,385.68 : x
  2. Step 2: Convert to fraction form
    34,680.98/52,021.62 = 8,385.68/x
  3. Step 3: Cross multiply
    34,680.98x = 52,021.62 × 8,385.68
  4. Step 4: Simplify right side
    34,680.98x = 436,236,788.46
  5. Step 5: Solve for x
    x = 436,236,788.46/34,680.98
  6. Step 6: Final answer
    x = 12,578.56

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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.