Home / 45,203.31-67,789.23-18,541.73

Finding the Fourth Proportional to 45,203.31, 67,789.23 and 18,541.73

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Solution

The fourth proportional to 45,203.31, 67,789.23 and 18,541.73 is: 27,806.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,203.31 : 67,789.23 = 18,541.73 : x
  2. Step 2: Convert to fraction form
    45,203.31/67,789.23 = 18,541.73/x
  3. Step 3: Cross multiply
    45,203.31x = 67,789.23 × 18,541.73
  4. Step 4: Simplify right side
    45,203.31x = 1,256,929,260.62
  5. Step 5: Solve for x
    x = 1,256,929,260.62/45,203.31
  6. Step 6: Final answer
    x = 27,806.13

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1.5x scale

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.