Home / 45,324.08-67,962.75-20,342.71

Finding the Fourth Proportional to 45,324.08, 67,962.75 and 20,342.71

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Solution

The fourth proportional to 45,324.08, 67,962.75 and 20,342.71 is: 30,503.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.08 : 67,962.75 = 20,342.71 : x
  2. Step 2: Convert to fraction form
    45,324.08/67,962.75 = 20,342.71/x
  3. Step 3: Cross multiply
    45,324.08x = 67,962.75 × 20,342.71
  4. Step 4: Simplify right side
    45,324.08x = 1,382,546,760.24
  5. Step 5: Solve for x
    x = 1,382,546,760.24/45,324.08
  6. Step 6: Final answer
    x = 30,503.58

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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.