Home / 36,336.94-50,133.71-21,218.70

Finding the Fourth Proportional to 36,336.94, 50,133.71 and 21,218.70

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Solution

The fourth proportional to 36,336.94, 50,133.71 and 21,218.70 is: 29,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,336.94 : 50,133.71 = 21,218.70 : x
  2. Step 2: Convert to fraction form
    36,336.94/50,133.71 = 21,218.70/x
  3. Step 3: Cross multiply
    36,336.94x = 50,133.71 × 21,218.70
  4. Step 4: Simplify right side
    36,336.94x = 1,063,771,981.24
  5. Step 5: Solve for x
    x = 1,063,771,981.24/36,336.94
  6. Step 6: Final answer
    x = 29,275.22

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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.