Home / 48,831.40-73,247.10-20,744.20

Finding the Fourth Proportional to 48,831.40, 73,247.10 and 20,744.20

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Solution

The fourth proportional to 48,831.40, 73,247.10 and 20,744.20 is: 31,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,831.40 : 73,247.10 = 20,744.20 : x
  2. Step 2: Convert to fraction form
    48,831.40/73,247.10 = 20,744.20/x
  3. Step 3: Cross multiply
    48,831.40x = 73,247.10 × 20,744.20
  4. Step 4: Simplify right side
    48,831.40x = 1,519,452,491.82
  5. Step 5: Solve for x
    x = 1,519,452,491.82/48,831.40
  6. Step 6: Final answer
    x = 31,116.30

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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.