Home / 37,756.84-52,105.08-20,761.78

Finding the Fourth Proportional to 37,756.84, 52,105.08 and 20,761.78

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Solution

The fourth proportional to 37,756.84, 52,105.08 and 20,761.78 is: 28,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,756.84 : 52,105.08 = 20,761.78 : x
  2. Step 2: Convert to fraction form
    37,756.84/52,105.08 = 20,761.78/x
  3. Step 3: Cross multiply
    37,756.84x = 52,105.08 × 20,761.78
  4. Step 4: Simplify right side
    37,756.84x = 1,081,794,207.84
  5. Step 5: Solve for x
    x = 1,081,794,207.84/37,756.84
  6. Step 6: Final answer
    x = 28,651.61

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1.5x scale

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.