Home / 39,829.17-54,963.83-21,923.80

Finding the Fourth Proportional to 39,829.17, 54,963.83 and 21,923.80

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Solution

The fourth proportional to 39,829.17, 54,963.83 and 21,923.80 is: 30,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,829.17 : 54,963.83 = 21,923.80 : x
  2. Step 2: Convert to fraction form
    39,829.17/54,963.83 = 21,923.80/x
  3. Step 3: Cross multiply
    39,829.17x = 54,963.83 × 21,923.80
  4. Step 4: Simplify right side
    39,829.17x = 1,205,015,933.55
  5. Step 5: Solve for x
    x = 1,205,015,933.55/39,829.17
  6. Step 6: Final answer
    x = 30,254.61

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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.