Home / 35,831.20-49,447.62-20,727.28

Finding the Fourth Proportional to 35,831.20, 49,447.62 and 20,727.28

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Solution

The fourth proportional to 35,831.20, 49,447.62 and 20,727.28 is: 28,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.20 : 49,447.62 = 20,727.28 : x
  2. Step 2: Convert to fraction form
    35,831.20/49,447.62 = 20,727.28/x
  3. Step 3: Cross multiply
    35,831.20x = 49,447.62 × 20,727.28
  4. Step 4: Simplify right side
    35,831.20x = 1,024,914,665.07
  5. Step 5: Solve for x
    x = 1,024,914,665.07/35,831.20
  6. Step 6: Final answer
    x = 28,603.97

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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.