Home / 40,891.42-61,337.05-12,813.62

Finding the Fourth Proportional to 40,891.42, 61,337.05 and 12,813.62

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Solution

The fourth proportional to 40,891.42, 61,337.05 and 12,813.62 is: 19,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.42 : 61,337.05 = 12,813.62 : x
  2. Step 2: Convert to fraction form
    40,891.42/61,337.05 = 12,813.62/x
  3. Step 3: Cross multiply
    40,891.42x = 61,337.05 × 12,813.62
  4. Step 4: Simplify right side
    40,891.42x = 785,949,771.93
  5. Step 5: Solve for x
    x = 785,949,771.93/40,891.42
  6. Step 6: Final answer
    x = 19,220.41

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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.