Home / 37,128.97-51,244.41-28,161.46

Finding the Fourth Proportional to 37,128.97, 51,244.41 and 28,161.46

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Solution

The fourth proportional to 37,128.97, 51,244.41 and 28,161.46 is: 38,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.97 : 51,244.41 = 28,161.46 : x
  2. Step 2: Convert to fraction form
    37,128.97/51,244.41 = 28,161.46/x
  3. Step 3: Cross multiply
    37,128.97x = 51,244.41 × 28,161.46
  4. Step 4: Simplify right side
    37,128.97x = 1,443,117,402.44
  5. Step 5: Solve for x
    x = 1,443,117,402.44/37,128.97
  6. Step 6: Final answer
    x = 38,867.69

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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.