Home / 45,410.78-68,127.10-14,246.02

Finding the Fourth Proportional to 45,410.78, 68,127.10 and 14,246.02

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Solution

The fourth proportional to 45,410.78, 68,127.10 and 14,246.02 is: 21,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,410.78 : 68,127.10 = 14,246.02 : x
  2. Step 2: Convert to fraction form
    45,410.78/68,127.10 = 14,246.02/x
  3. Step 3: Cross multiply
    45,410.78x = 68,127.10 × 14,246.02
  4. Step 4: Simplify right side
    45,410.78x = 970,540,029.14
  5. Step 5: Solve for x
    x = 970,540,029.14/45,410.78
  6. Step 6: Final answer
    x = 21,372.46

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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.