Home / 48,563.80-72,831.30-18,964.60

Finding the Fourth Proportional to 48,563.80, 72,831.30 and 18,964.60

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Solution

The fourth proportional to 48,563.80, 72,831.30 and 18,964.60 is: 28,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,563.80 : 72,831.30 = 18,964.60 : x
  2. Step 2: Convert to fraction form
    48,563.80/72,831.30 = 18,964.60/x
  3. Step 3: Cross multiply
    48,563.80x = 72,831.30 × 18,964.60
  4. Step 4: Simplify right side
    48,563.80x = 1,381,216,471.98
  5. Step 5: Solve for x
    x = 1,381,216,471.98/48,563.80
  6. Step 6: Final answer
    x = 28,441.28

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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.