Home / 41,820.14-57,786.57-31,108.22

Finding the Fourth Proportional to 41,820.14, 57,786.57 and 31,108.22

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Solution

The fourth proportional to 41,820.14, 57,786.57 and 31,108.22 is: 42,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,820.14 : 57,786.57 = 31,108.22 : x
  2. Step 2: Convert to fraction form
    41,820.14/57,786.57 = 31,108.22/x
  3. Step 3: Cross multiply
    41,820.14x = 57,786.57 × 31,108.22
  4. Step 4: Simplify right side
    41,820.14x = 1,797,637,332.61
  5. Step 5: Solve for x
    x = 1,797,637,332.61/41,820.14
  6. Step 6: Final answer
    x = 42,984.97

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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.