Home / 37,984.71-52,418.17-20,988.58

Finding the Fourth Proportional to 37,984.71, 52,418.17 and 20,988.58

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Solution

The fourth proportional to 37,984.71, 52,418.17 and 20,988.58 is: 28,963.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,984.71 : 52,418.17 = 20,988.58 : x
  2. Step 2: Convert to fraction form
    37,984.71/52,418.17 = 20,988.58/x
  3. Step 3: Cross multiply
    37,984.71x = 52,418.17 × 20,988.58
  4. Step 4: Simplify right side
    37,984.71x = 1,100,183,176.44
  5. Step 5: Solve for x
    x = 1,100,183,176.44/37,984.71
  6. Step 6: Final answer
    x = 28,963.85

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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.