Home / 36,898.83-50,915.25-20,981.52

Finding the Fourth Proportional to 36,898.83, 50,915.25 and 20,981.52

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Solution

The fourth proportional to 36,898.83, 50,915.25 and 20,981.52 is: 28,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,898.83 : 50,915.25 = 20,981.52 : x
  2. Step 2: Convert to fraction form
    36,898.83/50,915.25 = 20,981.52/x
  3. Step 3: Cross multiply
    36,898.83x = 50,915.25 × 20,981.52
  4. Step 4: Simplify right side
    36,898.83x = 1,068,279,336.18
  5. Step 5: Solve for x
    x = 1,068,279,336.18/36,898.83
  6. Step 6: Final answer
    x = 28,951.58

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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.