Home / 51,824.49-71,517-29,161.71

Finding the Fourth Proportional to 51,824.49, 71,517 and 29,161.71

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Solution

The fourth proportional to 51,824.49, 71,517 and 29,161.71 is: 40,242.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,824.49 : 71,517 = 29,161.71 : x
  2. Step 2: Convert to fraction form
    51,824.49/71,517 = 29,161.71/x
  3. Step 3: Cross multiply
    51,824.49x = 71,517 × 29,161.71
  4. Step 4: Simplify right side
    51,824.49x = 2,085,558,014.07
  5. Step 5: Solve for x
    x = 2,085,558,014.07/51,824.49
  6. Step 6: Final answer
    x = 40,242.71

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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.