Home / 36,330.69-50,142.38-21,223.31

Finding the Fourth Proportional to 36,330.69, 50,142.38 and 21,223.31

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Solution

The fourth proportional to 36,330.69, 50,142.38 and 21,223.31 is: 29,291.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,330.69 : 50,142.38 = 21,223.31 : x
  2. Step 2: Convert to fraction form
    36,330.69/50,142.38 = 21,223.31/x
  3. Step 3: Cross multiply
    36,330.69x = 50,142.38 × 21,223.31
  4. Step 4: Simplify right side
    36,330.69x = 1,064,186,918.05
  5. Step 5: Solve for x
    x = 1,064,186,918.05/36,330.69
  6. Step 6: Final answer
    x = 29,291.68

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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.