Home / 37,140.87-51,251.36-20,373.87

Finding the Fourth Proportional to 37,140.87, 51,251.36 and 20,373.87

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Solution

The fourth proportional to 37,140.87, 51,251.36 and 20,373.87 is: 28,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.87 : 51,251.36 = 20,373.87 : x
  2. Step 2: Convert to fraction form
    37,140.87/51,251.36 = 20,373.87/x
  3. Step 3: Cross multiply
    37,140.87x = 51,251.36 × 20,373.87
  4. Step 4: Simplify right side
    37,140.87x = 1,044,188,444.09
  5. Step 5: Solve for x
    x = 1,044,188,444.09/37,140.87
  6. Step 6: Final answer
    x = 28,114.27

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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.