Home / 34,188.16-51,195.12-28,939.36

Finding the Fourth Proportional to 34,188.16, 51,195.12 and 28,939.36

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Solution

The fourth proportional to 34,188.16, 51,195.12 and 28,939.36 is: 43,335.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,188.16 : 51,195.12 = 28,939.36 : x
  2. Step 2: Convert to fraction form
    34,188.16/51,195.12 = 28,939.36/x
  3. Step 3: Cross multiply
    34,188.16x = 51,195.12 × 28,939.36
  4. Step 4: Simplify right side
    34,188.16x = 1,481,554,007.92
  5. Step 5: Solve for x
    x = 1,481,554,007.92/34,188.16
  6. Step 6: Final answer
    x = 43,335.30

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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.