Home / 37,672.76-51,988.19-20,676.57

Finding the Fourth Proportional to 37,672.76, 51,988.19 and 20,676.57

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Solution

The fourth proportional to 37,672.76, 51,988.19 and 20,676.57 is: 28,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,672.76 : 51,988.19 = 20,676.57 : x
  2. Step 2: Convert to fraction form
    37,672.76/51,988.19 = 20,676.57/x
  3. Step 3: Cross multiply
    37,672.76x = 51,988.19 × 20,676.57
  4. Step 4: Simplify right side
    37,672.76x = 1,074,937,346.33
  5. Step 5: Solve for x
    x = 1,074,937,346.33/37,672.76
  6. Step 6: Final answer
    x = 28,533.55

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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.