Home / 30,550.56-45,831.30-20,042.02

Finding the Fourth Proportional to 30,550.56, 45,831.30 and 20,042.02

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Solution

The fourth proportional to 30,550.56, 45,831.30 and 20,042.02 is: 30,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,550.56 : 45,831.30 = 20,042.02 : x
  2. Step 2: Convert to fraction form
    30,550.56/45,831.30 = 20,042.02/x
  3. Step 3: Cross multiply
    30,550.56x = 45,831.30 × 20,042.02
  4. Step 4: Simplify right side
    30,550.56x = 918,551,831.23
  5. Step 5: Solve for x
    x = 918,551,831.23/30,550.56
  6. Step 6: Final answer
    x = 30,066.61

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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.