Home / 29,011.53-43,443.43-19,120.82

Finding the Fourth Proportional to 29,011.53, 43,443.43 and 19,120.82

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Solution

The fourth proportional to 29,011.53, 43,443.43 and 19,120.82 is: 28,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,011.53 : 43,443.43 = 19,120.82 : x
  2. Step 2: Convert to fraction form
    29,011.53/43,443.43 = 19,120.82/x
  3. Step 3: Cross multiply
    29,011.53x = 43,443.43 × 19,120.82
  4. Step 4: Simplify right side
    29,011.53x = 830,673,896.60
  5. Step 5: Solve for x
    x = 830,673,896.60/29,011.53
  6. Step 6: Final answer
    x = 28,632.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.