Home / 37,145.08-51,260.40-20,149.48

Finding the Fourth Proportional to 37,145.08, 51,260.40 and 20,149.48

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Solution

The fourth proportional to 37,145.08, 51,260.40 and 20,149.48 is: 27,806.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,145.08 : 51,260.40 = 20,149.48 : x
  2. Step 2: Convert to fraction form
    37,145.08/51,260.40 = 20,149.48/x
  3. Step 3: Cross multiply
    37,145.08x = 51,260.40 × 20,149.48
  4. Step 4: Simplify right side
    37,145.08x = 1,032,870,404.59
  5. Step 5: Solve for x
    x = 1,032,870,404.59/37,145.08
  6. Step 6: Final answer
    x = 27,806.39

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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.