Home / 37,385.64-51,591.48-20,389.92

Finding the Fourth Proportional to 37,385.64, 51,591.48 and 20,389.92

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Solution

The fourth proportional to 37,385.64, 51,591.48 and 20,389.92 is: 28,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.64 : 51,591.48 = 20,389.92 : x
  2. Step 2: Convert to fraction form
    37,385.64/51,591.48 = 20,389.92/x
  3. Step 3: Cross multiply
    37,385.64x = 51,591.48 × 20,389.92
  4. Step 4: Simplify right side
    37,385.64x = 1,051,946,149.88
  5. Step 5: Solve for x
    x = 1,051,946,149.88/37,385.64
  6. Step 6: Final answer
    x = 28,137.71

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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.