Home / 40,203.39-55,479.69-22,298.79

Finding the Fourth Proportional to 40,203.39, 55,479.69 and 22,298.79

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Solution

The fourth proportional to 40,203.39, 55,479.69 and 22,298.79 is: 30,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203.39 : 55,479.69 = 22,298.79 : x
  2. Step 2: Convert to fraction form
    40,203.39/55,479.69 = 22,298.79/x
  3. Step 3: Cross multiply
    40,203.39x = 55,479.69 × 22,298.79
  4. Step 4: Simplify right side
    40,203.39x = 1,237,129,956.58
  5. Step 5: Solve for x
    x = 1,237,129,956.58/40,203.39
  6. Step 6: Final answer
    x = 30,771.78

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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.