Home / 45,789.20-68,677.40-14,627.60

Finding the Fourth Proportional to 45,789.20, 68,677.40 and 14,627.60

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Solution

The fourth proportional to 45,789.20, 68,677.40 and 14,627.60 is: 21,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,789.20 : 68,677.40 = 14,627.60 : x
  2. Step 2: Convert to fraction form
    45,789.20/68,677.40 = 14,627.60/x
  3. Step 3: Cross multiply
    45,789.20x = 68,677.40 × 14,627.60
  4. Step 4: Simplify right side
    45,789.20x = 1,004,585,536.24
  5. Step 5: Solve for x
    x = 1,004,585,536.24/45,789.20
  6. Step 6: Final answer
    x = 21,939.36

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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.