Home / 45,347.43-68,044.19-20,382.45

Finding the Fourth Proportional to 45,347.43, 68,044.19 and 20,382.45

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Solution

The fourth proportional to 45,347.43, 68,044.19 and 20,382.45 is: 30,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,347.43 : 68,044.19 = 20,382.45 : x
  2. Step 2: Convert to fraction form
    45,347.43/68,044.19 = 20,382.45/x
  3. Step 3: Cross multiply
    45,347.43x = 68,044.19 × 20,382.45
  4. Step 4: Simplify right side
    45,347.43x = 1,386,907,198.55
  5. Step 5: Solve for x
    x = 1,386,907,198.55/45,347.43
  6. Step 6: Final answer
    x = 30,584.03

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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.