Home / 31,763.75-43,831.73-18,332.53

Finding the Fourth Proportional to 31,763.75, 43,831.73 and 18,332.53

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Solution

The fourth proportional to 31,763.75, 43,831.73 and 18,332.53 is: 25,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763.75 : 43,831.73 = 18,332.53 : x
  2. Step 2: Convert to fraction form
    31,763.75/43,831.73 = 18,332.53/x
  3. Step 3: Cross multiply
    31,763.75x = 43,831.73 × 18,332.53
  4. Step 4: Simplify right side
    31,763.75x = 803,546,441.43
  5. Step 5: Solve for x
    x = 803,546,441.43/31,763.75
  6. Step 6: Final answer
    x = 25,297.60

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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.