Home / 31,552.47-47,336.94-11,831.40

Finding the Fourth Proportional to 31,552.47, 47,336.94 and 11,831.40

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Solution

The fourth proportional to 31,552.47, 47,336.94 and 11,831.40 is: 17,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.47 : 47,336.94 = 11,831.40 : x
  2. Step 2: Convert to fraction form
    31,552.47/47,336.94 = 11,831.40/x
  3. Step 3: Cross multiply
    31,552.47x = 47,336.94 × 11,831.40
  4. Step 4: Simplify right side
    31,552.47x = 560,062,271.92
  5. Step 5: Solve for x
    x = 560,062,271.92/31,552.47
  6. Step 6: Final answer
    x = 17,750.19

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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.