Home / 40,922.67-61,384.82-12,843.65

Finding the Fourth Proportional to 40,922.67, 61,384.82 and 12,843.65

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Solution

The fourth proportional to 40,922.67, 61,384.82 and 12,843.65 is: 19,265.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,922.67 : 61,384.82 = 12,843.65 : x
  2. Step 2: Convert to fraction form
    40,922.67/61,384.82 = 12,843.65/x
  3. Step 3: Cross multiply
    40,922.67x = 61,384.82 × 12,843.65
  4. Step 4: Simplify right side
    40,922.67x = 788,404,772.25
  5. Step 5: Solve for x
    x = 788,404,772.25/40,922.67
  6. Step 6: Final answer
    x = 19,265.72

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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.