Home / 38,934.37-53,732.08-21,940.01

Finding the Fourth Proportional to 38,934.37, 53,732.08 and 21,940.01

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Solution

The fourth proportional to 38,934.37, 53,732.08 and 21,940.01 is: 30,278.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,934.37 : 53,732.08 = 21,940.01 : x
  2. Step 2: Convert to fraction form
    38,934.37/53,732.08 = 21,940.01/x
  3. Step 3: Cross multiply
    38,934.37x = 53,732.08 × 21,940.01
  4. Step 4: Simplify right side
    38,934.37x = 1,178,882,696.73
  5. Step 5: Solve for x
    x = 1,178,882,696.73/38,934.37
  6. Step 6: Final answer
    x = 30,278.71

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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.