Home / 36,331.19-50,143.07-21,223.81

Finding the Fourth Proportional to 36,331.19, 50,143.07 and 21,223.81

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Solution

The fourth proportional to 36,331.19, 50,143.07 and 21,223.81 is: 29,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,331.19 : 50,143.07 = 21,223.81 : x
  2. Step 2: Convert to fraction form
    36,331.19/50,143.07 = 21,223.81/x
  3. Step 3: Cross multiply
    36,331.19x = 50,143.07 × 21,223.81
  4. Step 4: Simplify right side
    36,331.19x = 1,064,226,990.50
  5. Step 5: Solve for x
    x = 1,064,226,990.50/36,331.19
  6. Step 6: Final answer
    x = 29,292.38

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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.