Home / 45,824.00-68,696.78-20,855.12

Finding the Fourth Proportional to 45,824.00, 68,696.78 and 20,855.12

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Solution

The fourth proportional to 45,824.00, 68,696.78 and 20,855.12 is: 31,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,824.00 : 68,696.78 = 20,855.12 : x
  2. Step 2: Convert to fraction form
    45,824.00/68,696.78 = 20,855.12/x
  3. Step 3: Cross multiply
    45,824.00x = 68,696.78 × 20,855.12
  4. Step 4: Simplify right side
    45,824.00x = 1,432,679,142.75
  5. Step 5: Solve for x
    x = 1,432,679,142.75/45,824.00
  6. Step 6: Final answer
    x = 31,264.82

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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.