Home / 40,109.14-55,349.94-22,203.76

Finding the Fourth Proportional to 40,109.14, 55,349.94 and 22,203.76

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Solution

The fourth proportional to 40,109.14, 55,349.94 and 22,203.76 is: 30,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,109.14 : 55,349.94 = 22,203.76 : x
  2. Step 2: Convert to fraction form
    40,109.14/55,349.94 = 22,203.76/x
  3. Step 3: Cross multiply
    40,109.14x = 55,349.94 × 22,203.76
  4. Step 4: Simplify right side
    40,109.14x = 1,228,976,783.77
  5. Step 5: Solve for x
    x = 1,228,976,783.77/40,109.14
  6. Step 6: Final answer
    x = 30,640.82

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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.