Home / 36,737.79-50,699.24-20,821.69

Finding the Fourth Proportional to 36,737.79, 50,699.24 and 20,821.69

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Solution

The fourth proportional to 36,737.79, 50,699.24 and 20,821.69 is: 28,734.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,737.79 : 50,699.24 = 20,821.69 : x
  2. Step 2: Convert to fraction form
    36,737.79/50,699.24 = 20,821.69/x
  3. Step 3: Cross multiply
    36,737.79x = 50,699.24 × 20,821.69
  4. Step 4: Simplify right side
    36,737.79x = 1,055,643,858.52
  5. Step 5: Solve for x
    x = 1,055,643,858.52/36,737.79
  6. Step 6: Final answer
    x = 28,734.55

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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.