Home / 54,197.70-74,786.22-30,315.66

Finding the Fourth Proportional to 54,197.70, 74,786.22 and 30,315.66

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Solution

The fourth proportional to 54,197.70, 74,786.22 and 30,315.66 is: 41,831.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,197.70 : 74,786.22 = 30,315.66 : x
  2. Step 2: Convert to fraction form
    54,197.70/74,786.22 = 30,315.66/x
  3. Step 3: Cross multiply
    54,197.70x = 74,786.22 × 30,315.66
  4. Step 4: Simplify right side
    54,197.70x = 2,267,193,618.21
  5. Step 5: Solve for x
    x = 2,267,193,618.21/54,197.70
  6. Step 6: Final answer
    x = 41,831.92

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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.