Home / 38,101.36-52,580.30-21,105.87

Finding the Fourth Proportional to 38,101.36, 52,580.30 and 21,105.87

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Solution

The fourth proportional to 38,101.36, 52,580.30 and 21,105.87 is: 29,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.36 : 52,580.30 = 21,105.87 : x
  2. Step 2: Convert to fraction form
    38,101.36/52,580.30 = 21,105.87/x
  3. Step 3: Cross multiply
    38,101.36x = 52,580.30 × 21,105.87
  4. Step 4: Simplify right side
    38,101.36x = 1,109,752,713.46
  5. Step 5: Solve for x
    x = 1,109,752,713.46/38,101.36
  6. Step 6: Final answer
    x = 29,126.33

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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.