Home / 45,835.78-68,753.73-12,556.14

Finding the Fourth Proportional to 45,835.78, 68,753.73 and 12,556.14

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Solution

The fourth proportional to 45,835.78, 68,753.73 and 12,556.14 is: 18,834.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,835.78 : 68,753.73 = 12,556.14 : x
  2. Step 2: Convert to fraction form
    45,835.78/68,753.73 = 12,556.14/x
  3. Step 3: Cross multiply
    45,835.78x = 68,753.73 × 12,556.14
  4. Step 4: Simplify right side
    45,835.78x = 863,281,459.40
  5. Step 5: Solve for x
    x = 863,281,459.40/45,835.78
  6. Step 6: Final answer
    x = 18,834.23

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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.