Home / 31,544.24-47,328.40-11,831.60

Finding the Fourth Proportional to 31,544.24, 47,328.40 and 11,831.60

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Solution

The fourth proportional to 31,544.24, 47,328.40 and 11,831.60 is: 17,751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544.24 : 47,328.40 = 11,831.60 : x
  2. Step 2: Convert to fraction form
    31,544.24/47,328.40 = 11,831.60/x
  3. Step 3: Cross multiply
    31,544.24x = 47,328.40 × 11,831.60
  4. Step 4: Simplify right side
    31,544.24x = 559,970,697.44
  5. Step 5: Solve for x
    x = 559,970,697.44/31,544.24
  6. Step 6: Final answer
    x = 17,751.92

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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.