Home / 37,630.86-51,921.45-20,863.86

Finding the Fourth Proportional to 37,630.86, 51,921.45 and 20,863.86

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Solution

The fourth proportional to 37,630.86, 51,921.45 and 20,863.86 is: 28,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.86 : 51,921.45 = 20,863.86 : x
  2. Step 2: Convert to fraction form
    37,630.86/51,921.45 = 20,863.86/x
  3. Step 3: Cross multiply
    37,630.86x = 51,921.45 × 20,863.86
  4. Step 4: Simplify right side
    37,630.86x = 1,083,281,863.80
  5. Step 5: Solve for x
    x = 1,083,281,863.80/37,630.86
  6. Step 6: Final answer
    x = 28,787.06

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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.