Home / 51,634.87-71,250.33-28,969.14

Finding the Fourth Proportional to 51,634.87, 71,250.33 and 28,969.14

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Solution

The fourth proportional to 51,634.87, 71,250.33 and 28,969.14 is: 39,974.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,634.87 : 71,250.33 = 28,969.14 : x
  2. Step 2: Convert to fraction form
    51,634.87/71,250.33 = 28,969.14/x
  3. Step 3: Cross multiply
    51,634.87x = 71,250.33 × 28,969.14
  4. Step 4: Simplify right side
    51,634.87x = 2,064,061,160.64
  5. Step 5: Solve for x
    x = 2,064,061,160.64/51,634.87
  6. Step 6: Final answer
    x = 39,974.17

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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.