Home / 45,573.64-68,355.56-12,291.62

Finding the Fourth Proportional to 45,573.64, 68,355.56 and 12,291.62

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Solution

The fourth proportional to 45,573.64, 68,355.56 and 12,291.62 is: 18,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,573.64 : 68,355.56 = 12,291.62 : x
  2. Step 2: Convert to fraction form
    45,573.64/68,355.56 = 12,291.62/x
  3. Step 3: Cross multiply
    45,573.64x = 68,355.56 × 12,291.62
  4. Step 4: Simplify right side
    45,573.64x = 840,200,257.36
  5. Step 5: Solve for x
    x = 840,200,257.36/45,573.64
  6. Step 6: Final answer
    x = 18,436.10

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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.