Home / 37,376.60-51,578.10-20,380.43

Finding the Fourth Proportional to 37,376.60, 51,578.10 and 20,380.43

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Solution

The fourth proportional to 37,376.60, 51,578.10 and 20,380.43 is: 28,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,376.60 : 51,578.10 = 20,380.43 : x
  2. Step 2: Convert to fraction form
    37,376.60/51,578.10 = 20,380.43/x
  3. Step 3: Cross multiply
    37,376.60x = 51,578.10 × 20,380.43
  4. Step 4: Simplify right side
    37,376.60x = 1,051,183,985.53
  5. Step 5: Solve for x
    x = 1,051,183,985.53/37,376.60
  6. Step 6: Final answer
    x = 28,124.12

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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.