Home / 40,011.12-55,238.40-26,600.76

Finding the Fourth Proportional to 40,011.12, 55,238.40 and 26,600.76

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Solution

The fourth proportional to 40,011.12, 55,238.40 and 26,600.76 is: 36,724.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,011.12 : 55,238.40 = 26,600.76 : x
  2. Step 2: Convert to fraction form
    40,011.12/55,238.40 = 26,600.76/x
  3. Step 3: Cross multiply
    40,011.12x = 55,238.40 × 26,600.76
  4. Step 4: Simplify right side
    40,011.12x = 1,469,383,421.18
  5. Step 5: Solve for x
    x = 1,469,383,421.18/40,011.12
  6. Step 6: Final answer
    x = 36,724.38

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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.