Home / 45,851.78-68,773.06-12,575.19

Finding the Fourth Proportional to 45,851.78, 68,773.06 and 12,575.19

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Solution

The fourth proportional to 45,851.78, 68,773.06 and 12,575.19 is: 18,861.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,851.78 : 68,773.06 = 12,575.19 : x
  2. Step 2: Convert to fraction form
    45,851.78/68,773.06 = 12,575.19/x
  3. Step 3: Cross multiply
    45,851.78x = 68,773.06 × 12,575.19
  4. Step 4: Simplify right side
    45,851.78x = 864,834,296.38
  5. Step 5: Solve for x
    x = 864,834,296.38/45,851.78
  6. Step 6: Final answer
    x = 18,861.52

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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.