Home / 40,133.68-55,383.75-22,228.63

Finding the Fourth Proportional to 40,133.68, 55,383.75 and 22,228.63

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Solution

The fourth proportional to 40,133.68, 55,383.75 and 22,228.63 is: 30,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,133.68 : 55,383.75 = 22,228.63 : x
  2. Step 2: Convert to fraction form
    40,133.68/55,383.75 = 22,228.63/x
  3. Step 3: Cross multiply
    40,133.68x = 55,383.75 × 22,228.63
  4. Step 4: Simplify right side
    40,133.68x = 1,231,104,748.30
  5. Step 5: Solve for x
    x = 1,231,104,748.30/40,133.68
  6. Step 6: Final answer
    x = 30,675.10

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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.