Home / 33,230.36-45,831.98-21,294.81

Finding the Fourth Proportional to 33,230.36, 45,831.98 and 21,294.81

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Solution

The fourth proportional to 33,230.36, 45,831.98 and 21,294.81 is: 29,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,230.36 : 45,831.98 = 21,294.81 : x
  2. Step 2: Convert to fraction form
    33,230.36/45,831.98 = 21,294.81/x
  3. Step 3: Cross multiply
    33,230.36x = 45,831.98 × 21,294.81
  4. Step 4: Simplify right side
    33,230.36x = 975,983,359.26
  5. Step 5: Solve for x
    x = 975,983,359.26/33,230.36
  6. Step 6: Final answer
    x = 29,370.23

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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.