Home / 33,171.67-45,777.48-18,831.13

Finding the Fourth Proportional to 33,171.67, 45,777.48 and 18,831.13

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Solution

The fourth proportional to 33,171.67, 45,777.48 and 18,831.13 is: 25,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,171.67 : 45,777.48 = 18,831.13 : x
  2. Step 2: Convert to fraction form
    33,171.67/45,777.48 = 18,831.13/x
  3. Step 3: Cross multiply
    33,171.67x = 45,777.48 × 18,831.13
  4. Step 4: Simplify right side
    33,171.67x = 862,041,562.51
  5. Step 5: Solve for x
    x = 862,041,562.51/33,171.67
  6. Step 6: Final answer
    x = 25,987.28

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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.