Home / 34,910.78-52,369.75-21,759.62

Finding the Fourth Proportional to 34,910.78, 52,369.75 and 21,759.62

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Solution

The fourth proportional to 34,910.78, 52,369.75 and 21,759.62 is: 32,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,910.78 : 52,369.75 = 21,759.62 : x
  2. Step 2: Convert to fraction form
    34,910.78/52,369.75 = 21,759.62/x
  3. Step 3: Cross multiply
    34,910.78x = 52,369.75 × 21,759.62
  4. Step 4: Simplify right side
    34,910.78x = 1,139,545,859.50
  5. Step 5: Solve for x
    x = 1,139,545,859.50/34,910.78
  6. Step 6: Final answer
    x = 32,641.66

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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.