Home / 20,831.85-31,255.07-6,041.66

Finding the Fourth Proportional to 20,831.85, 31,255.07 and 6,041.66

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Solution

The fourth proportional to 20,831.85, 31,255.07 and 6,041.66 is: 9,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831.85 : 31,255.07 = 6,041.66 : x
  2. Step 2: Convert to fraction form
    20,831.85/31,255.07 = 6,041.66/x
  3. Step 3: Cross multiply
    20,831.85x = 31,255.07 × 6,041.66
  4. Step 4: Simplify right side
    20,831.85x = 188,832,319.73
  5. Step 5: Solve for x
    x = 188,832,319.73/20,831.85
  6. Step 6: Final answer
    x = 9,064.60

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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.