Home / 69,072.41-95,320.38-38,857.49

Finding the Fourth Proportional to 69,072.41, 95,320.38 and 38,857.49

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Solution

The fourth proportional to 69,072.41, 95,320.38 and 38,857.49 is: 53,623.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.41 : 95,320.38 = 38,857.49 : x
  2. Step 2: Convert to fraction form
    69,072.41/95,320.38 = 38,857.49/x
  3. Step 3: Cross multiply
    69,072.41x = 95,320.38 × 38,857.49
  4. Step 4: Simplify right side
    69,072.41x = 3,703,910,041.76
  5. Step 5: Solve for x
    x = 3,703,910,041.76/69,072.41
  6. Step 6: Final answer
    x = 53,623.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.