Home / 37,912.43-52,319.33-20,916.88

Finding the Fourth Proportional to 37,912.43, 52,319.33 and 20,916.88

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Solution

The fourth proportional to 37,912.43, 52,319.33 and 20,916.88 is: 28,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.43 : 52,319.33 = 20,916.88 : x
  2. Step 2: Convert to fraction form
    37,912.43/52,319.33 = 20,916.88/x
  3. Step 3: Cross multiply
    37,912.43x = 52,319.33 × 20,916.88
  4. Step 4: Simplify right side
    37,912.43x = 1,094,357,147.29
  5. Step 5: Solve for x
    x = 1,094,357,147.29/37,912.43
  6. Step 6: Final answer
    x = 28,865.39

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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.