Home / 37,115.70-55,721.07-31,884.18

Finding the Fourth Proportional to 37,115.70, 55,721.07 and 31,884.18

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Solution

The fourth proportional to 37,115.70, 55,721.07 and 31,884.18 is: 47,867.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.70 : 55,721.07 = 31,884.18 : x
  2. Step 2: Convert to fraction form
    37,115.70/55,721.07 = 31,884.18/x
  3. Step 3: Cross multiply
    37,115.70x = 55,721.07 × 31,884.18
  4. Step 4: Simplify right side
    37,115.70x = 1,776,620,625.67
  5. Step 5: Solve for x
    x = 1,776,620,625.67/37,115.70
  6. Step 6: Final answer
    x = 47,867.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.