Home / 36,076.90-49,801.45-21,934.26

Finding the Fourth Proportional to 36,076.90, 49,801.45 and 21,934.26

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Solution

The fourth proportional to 36,076.90, 49,801.45 and 21,934.26 is: 30,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.90 : 49,801.45 = 21,934.26 : x
  2. Step 2: Convert to fraction form
    36,076.90/49,801.45 = 21,934.26/x
  3. Step 3: Cross multiply
    36,076.90x = 49,801.45 × 21,934.26
  4. Step 4: Simplify right side
    36,076.90x = 1,092,357,952.68
  5. Step 5: Solve for x
    x = 1,092,357,952.68/36,076.90
  6. Step 6: Final answer
    x = 30,278.60

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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.