Home / 51,805.82-71,491.91-29,144.81

Finding the Fourth Proportional to 51,805.82, 71,491.91 and 29,144.81

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Solution

The fourth proportional to 51,805.82, 71,491.91 and 29,144.81 is: 40,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,805.82 : 71,491.91 = 29,144.81 : x
  2. Step 2: Convert to fraction form
    51,805.82/71,491.91 = 29,144.81/x
  3. Step 3: Cross multiply
    51,805.82x = 71,491.91 × 29,144.81
  4. Step 4: Simplify right side
    51,805.82x = 2,083,618,166.49
  5. Step 5: Solve for x
    x = 2,083,618,166.49/51,805.82
  6. Step 6: Final answer
    x = 40,219.77

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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.