Home / 36,887.31-50,901.07-20,968.65

Finding the Fourth Proportional to 36,887.31, 50,901.07 and 20,968.65

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Solution

The fourth proportional to 36,887.31, 50,901.07 and 20,968.65 is: 28,934.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887.31 : 50,901.07 = 20,968.65 : x
  2. Step 2: Convert to fraction form
    36,887.31/50,901.07 = 20,968.65/x
  3. Step 3: Cross multiply
    36,887.31x = 50,901.07 × 20,968.65
  4. Step 4: Simplify right side
    36,887.31x = 1,067,326,721.46
  5. Step 5: Solve for x
    x = 1,067,326,721.46/36,887.31
  6. Step 6: Final answer
    x = 28,934.79

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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.