Home / 37,385.52-51,591.37-20,389.90

Finding the Fourth Proportional to 37,385.52, 51,591.37 and 20,389.90

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Solution

The fourth proportional to 37,385.52, 51,591.37 and 20,389.90 is: 28,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,385.52 : 51,591.37 = 20,389.90 : x
  2. Step 2: Convert to fraction form
    37,385.52/51,591.37 = 20,389.90/x
  3. Step 3: Cross multiply
    37,385.52x = 51,591.37 × 20,389.90
  4. Step 4: Simplify right side
    37,385.52x = 1,051,942,515.26
  5. Step 5: Solve for x
    x = 1,051,942,515.26/37,385.52
  6. Step 6: Final answer
    x = 28,137.70

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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.