Home / 36,039.71-49,732.29-21,696.77

Finding the Fourth Proportional to 36,039.71, 49,732.29 and 21,696.77

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Solution

The fourth proportional to 36,039.71, 49,732.29 and 21,696.77 is: 29,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,039.71 : 49,732.29 = 21,696.77 : x
  2. Step 2: Convert to fraction form
    36,039.71/49,732.29 = 21,696.77/x
  3. Step 3: Cross multiply
    36,039.71x = 49,732.29 × 21,696.77
  4. Step 4: Simplify right side
    36,039.71x = 1,079,029,809.04
  5. Step 5: Solve for x
    x = 1,079,029,809.04/36,039.71
  6. Step 6: Final answer
    x = 29,940.03

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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.