Home / 45,564.40-68,356.48-13,974.56

Finding the Fourth Proportional to 45,564.40, 68,356.48 and 13,974.56

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Solution

The fourth proportional to 45,564.40, 68,356.48 and 13,974.56 is: 20,964.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,564.40 : 68,356.48 = 13,974.56 : x
  2. Step 2: Convert to fraction form
    45,564.40/68,356.48 = 13,974.56/x
  3. Step 3: Cross multiply
    45,564.40x = 68,356.48 × 13,974.56
  4. Step 4: Simplify right side
    45,564.40x = 955,251,731.15
  5. Step 5: Solve for x
    x = 955,251,731.15/45,564.40
  6. Step 6: Final answer
    x = 20,964.87

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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.