Home / 35,723.13-49,286.58-20,613.79

Finding the Fourth Proportional to 35,723.13, 49,286.58 and 20,613.79

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Solution

The fourth proportional to 35,723.13, 49,286.58 and 20,613.79 is: 28,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,723.13 : 49,286.58 = 20,613.79 : x
  2. Step 2: Convert to fraction form
    35,723.13/49,286.58 = 20,613.79/x
  3. Step 3: Cross multiply
    35,723.13x = 49,286.58 × 20,613.79
  4. Step 4: Simplify right side
    35,723.13x = 1,015,983,194.24
  5. Step 5: Solve for x
    x = 1,015,983,194.24/35,723.13
  6. Step 6: Final answer
    x = 28,440.49

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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.