Home / 37,912.33-52,318.65-20,916.71

Finding the Fourth Proportional to 37,912.33, 52,318.65 and 20,916.71

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Solution

The fourth proportional to 37,912.33, 52,318.65 and 20,916.71 is: 28,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,912.33 : 52,318.65 = 20,916.71 : x
  2. Step 2: Convert to fraction form
    37,912.33/52,318.65 = 20,916.71/x
  3. Step 3: Cross multiply
    37,912.33x = 52,318.65 × 20,916.71
  4. Step 4: Simplify right side
    37,912.33x = 1,094,334,042.68
  5. Step 5: Solve for x
    x = 1,094,334,042.68/37,912.33
  6. Step 6: Final answer
    x = 28,864.86

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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.