Home / 37,115.84-51,219.78-20,348.84

Finding the Fourth Proportional to 37,115.84, 51,219.78 and 20,348.84

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Solution

The fourth proportional to 37,115.84, 51,219.78 and 20,348.84 is: 28,081.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.84 : 51,219.78 = 20,348.84 : x
  2. Step 2: Convert to fraction form
    37,115.84/51,219.78 = 20,348.84/x
  3. Step 3: Cross multiply
    37,115.84x = 51,219.78 × 20,348.84
  4. Step 4: Simplify right side
    37,115.84x = 1,042,263,108.06
  5. Step 5: Solve for x
    x = 1,042,263,108.06/37,115.84
  6. Step 6: Final answer
    x = 28,081.36

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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.