Home / 36,747.47-50,718.56-20,831.99

Finding the Fourth Proportional to 36,747.47, 50,718.56 and 20,831.99

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Solution

The fourth proportional to 36,747.47, 50,718.56 and 20,831.99 is: 28,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,747.47 : 50,718.56 = 20,831.99 : x
  2. Step 2: Convert to fraction form
    36,747.47/50,718.56 = 20,831.99/x
  3. Step 3: Cross multiply
    36,747.47x = 50,718.56 × 20,831.99
  4. Step 4: Simplify right side
    36,747.47x = 1,056,568,176.98
  5. Step 5: Solve for x
    x = 1,056,568,176.98/36,747.47
  6. Step 6: Final answer
    x = 28,752.13

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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.