Home / 37,112.82-51,210.12-21,193.90

Finding the Fourth Proportional to 37,112.82, 51,210.12 and 21,193.90

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Solution

The fourth proportional to 37,112.82, 51,210.12 and 21,193.90 is: 29,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,112.82 : 51,210.12 = 21,193.90 : x
  2. Step 2: Convert to fraction form
    37,112.82/51,210.12 = 21,193.90/x
  3. Step 3: Cross multiply
    37,112.82x = 51,210.12 × 21,193.90
  4. Step 4: Simplify right side
    37,112.82x = 1,085,342,162.27
  5. Step 5: Solve for x
    x = 1,085,342,162.27/37,112.82
  6. Step 6: Final answer
    x = 29,244.40

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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.