Home / 50,207.71-69,284.15-28,696.81

Finding the Fourth Proportional to 50,207.71, 69,284.15 and 28,696.81

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Solution

The fourth proportional to 50,207.71, 69,284.15 and 28,696.81 is: 39,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,207.71 : 69,284.15 = 28,696.81 : x
  2. Step 2: Convert to fraction form
    50,207.71/69,284.15 = 28,696.81/x
  3. Step 3: Cross multiply
    50,207.71x = 69,284.15 × 28,696.81
  4. Step 4: Simplify right side
    50,207.71x = 1,988,233,945.08
  5. Step 5: Solve for x
    x = 1,988,233,945.08/50,207.71
  6. Step 6: Final answer
    x = 39,600.17

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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.