Home / 37,756.28-52,103.86-20,761.61

Finding the Fourth Proportional to 37,756.28, 52,103.86 and 20,761.61

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Solution

The fourth proportional to 37,756.28, 52,103.86 and 20,761.61 is: 28,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,756.28 : 52,103.86 = 20,761.61 : x
  2. Step 2: Convert to fraction form
    37,756.28/52,103.86 = 20,761.61/x
  3. Step 3: Cross multiply
    37,756.28x = 52,103.86 × 20,761.61
  4. Step 4: Simplify right side
    37,756.28x = 1,081,760,020.81
  5. Step 5: Solve for x
    x = 1,081,760,020.81/37,756.28
  6. Step 6: Final answer
    x = 28,651.13

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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.