Home / 38,129.36-52,613.51-21,997.26

Finding the Fourth Proportional to 38,129.36, 52,613.51 and 21,997.26

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Solution

The fourth proportional to 38,129.36, 52,613.51 and 21,997.26 is: 30,353.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,129.36 : 52,613.51 = 21,997.26 : x
  2. Step 2: Convert to fraction form
    38,129.36/52,613.51 = 21,997.26/x
  3. Step 3: Cross multiply
    38,129.36x = 52,613.51 × 21,997.26
  4. Step 4: Simplify right side
    38,129.36x = 1,157,352,949.00
  5. Step 5: Solve for x
    x = 1,157,352,949.00/38,129.36
  6. Step 6: Final answer
    x = 30,353.33

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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.