Home / 31,760.69-43,831.73-18,334.40

Finding the Fourth Proportional to 31,760.69, 43,831.73 and 18,334.40

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Solution

The fourth proportional to 31,760.69, 43,831.73 and 18,334.40 is: 25,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,760.69 : 43,831.73 = 18,334.40 : x
  2. Step 2: Convert to fraction form
    31,760.69/43,831.73 = 18,334.40/x
  3. Step 3: Cross multiply
    31,760.69x = 43,831.73 × 18,334.40
  4. Step 4: Simplify right side
    31,760.69x = 803,628,297.19
  5. Step 5: Solve for x
    x = 803,628,297.19/31,760.69
  6. Step 6: Final answer
    x = 25,302.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.