Home / 37,456.88-51,690.67-20,461.36

Finding the Fourth Proportional to 37,456.88, 51,690.67 and 20,461.36

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Solution

The fourth proportional to 37,456.88, 51,690.67 and 20,461.36 is: 28,236.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,456.88 : 51,690.67 = 20,461.36 : x
  2. Step 2: Convert to fraction form
    37,456.88/51,690.67 = 20,461.36/x
  3. Step 3: Cross multiply
    37,456.88x = 51,690.67 × 20,461.36
  4. Step 4: Simplify right side
    37,456.88x = 1,057,661,046.75
  5. Step 5: Solve for x
    x = 1,057,661,046.75/37,456.88
  6. Step 6: Final answer
    x = 28,236.77

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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.