Home / 29,103.59-40,164.72-19,040.66

Finding the Fourth Proportional to 29,103.59, 40,164.72 and 19,040.66

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Solution

The fourth proportional to 29,103.59, 40,164.72 and 19,040.66 is: 26,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,103.59 : 40,164.72 = 19,040.66 : x
  2. Step 2: Convert to fraction form
    29,103.59/40,164.72 = 19,040.66/x
  3. Step 3: Cross multiply
    29,103.59x = 40,164.72 × 19,040.66
  4. Step 4: Simplify right side
    29,103.59x = 764,762,777.52
  5. Step 5: Solve for x
    x = 764,762,777.52/29,103.59
  6. Step 6: Final answer
    x = 26,277.27

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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.