Home / 37,053.52-51,133.38-21,138.23

Finding the Fourth Proportional to 37,053.52, 51,133.38 and 21,138.23

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Solution

The fourth proportional to 37,053.52, 51,133.38 and 21,138.23 is: 29,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,053.52 : 51,133.38 = 21,138.23 : x
  2. Step 2: Convert to fraction form
    37,053.52/51,133.38 = 21,138.23/x
  3. Step 3: Cross multiply
    37,053.52x = 51,133.38 × 21,138.23
  4. Step 4: Simplify right side
    37,053.52x = 1,080,869,195.68
  5. Step 5: Solve for x
    x = 1,080,869,195.68/37,053.52
  6. Step 6: Final answer
    x = 29,170.49

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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.