Home / 40,813.16-61,213.52-13,795.15

Finding the Fourth Proportional to 40,813.16, 61,213.52 and 13,795.15

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Solution

The fourth proportional to 40,813.16, 61,213.52 and 13,795.15 is: 20,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,813.16 : 61,213.52 = 13,795.15 : x
  2. Step 2: Convert to fraction form
    40,813.16/61,213.52 = 13,795.15/x
  3. Step 3: Cross multiply
    40,813.16x = 61,213.52 × 13,795.15
  4. Step 4: Simplify right side
    40,813.16x = 844,449,384.36
  5. Step 5: Solve for x
    x = 844,449,384.36/40,813.16
  6. Step 6: Final answer
    x = 20,690.62

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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.