Home / 31,524.03-47,286.05-7,831.53

Finding the Fourth Proportional to 31,524.03, 47,286.05 and 7,831.53

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Solution

The fourth proportional to 31,524.03, 47,286.05 and 7,831.53 is: 11,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.03 : 47,286.05 = 7,831.53 : x
  2. Step 2: Convert to fraction form
    31,524.03/47,286.05 = 7,831.53/x
  3. Step 3: Cross multiply
    31,524.03x = 47,286.05 × 7,831.53
  4. Step 4: Simplify right side
    31,524.03x = 370,322,080.00
  5. Step 5: Solve for x
    x = 370,322,080.00/31,524.03
  6. Step 6: Final answer
    x = 11,747.30

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1.5x scale

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.