Home / 36,318.06-50,122.95-21,214.47

Finding the Fourth Proportional to 36,318.06, 50,122.95 and 21,214.47

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Solution

The fourth proportional to 36,318.06, 50,122.95 and 21,214.47 is: 29,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318.06 : 50,122.95 = 21,214.47 : x
  2. Step 2: Convert to fraction form
    36,318.06/50,122.95 = 21,214.47/x
  3. Step 3: Cross multiply
    36,318.06x = 50,122.95 × 21,214.47
  4. Step 4: Simplify right side
    36,318.06x = 1,063,331,819.09
  5. Step 5: Solve for x
    x = 1,063,331,819.09/36,318.06
  6. Step 6: Final answer
    x = 29,278.32

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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.