Home / 33,689.75-50,513.02-13,981.91

Finding the Fourth Proportional to 33,689.75, 50,513.02 and 13,981.91

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Solution

The fourth proportional to 33,689.75, 50,513.02 and 13,981.91 is: 20,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,689.75 : 50,513.02 = 13,981.91 : x
  2. Step 2: Convert to fraction form
    33,689.75/50,513.02 = 13,981.91/x
  3. Step 3: Cross multiply
    33,689.75x = 50,513.02 × 13,981.91
  4. Step 4: Simplify right side
    33,689.75x = 706,268,499.47
  5. Step 5: Solve for x
    x = 706,268,499.47/33,689.75
  6. Step 6: Final answer
    x = 20,963.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.