Home / 67,239.38-100,858.97-20,492.26

Finding the Fourth Proportional to 67,239.38, 100,858.97 and 20,492.26

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Solution

The fourth proportional to 67,239.38, 100,858.97 and 20,492.26 is: 30,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,239.38 : 100,858.97 = 20,492.26 : x
  2. Step 2: Convert to fraction form
    67,239.38/100,858.97 = 20,492.26/x
  3. Step 3: Cross multiply
    67,239.38x = 100,858.97 × 20,492.26
  4. Step 4: Simplify right side
    67,239.38x = 2,066,828,035.66
  5. Step 5: Solve for x
    x = 2,066,828,035.66/67,239.38
  6. Step 6: Final answer
    x = 30,738.36

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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.