Home / 38,101.88-52,580.75-21,105.75

Finding the Fourth Proportional to 38,101.88, 52,580.75 and 21,105.75

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Solution

The fourth proportional to 38,101.88, 52,580.75 and 21,105.75 is: 29,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,101.88 : 52,580.75 = 21,105.75 : x
  2. Step 2: Convert to fraction form
    38,101.88/52,580.75 = 21,105.75/x
  3. Step 3: Cross multiply
    38,101.88x = 52,580.75 × 21,105.75
  4. Step 4: Simplify right side
    38,101.88x = 1,109,756,164.31
  5. Step 5: Solve for x
    x = 1,109,756,164.31/38,101.88
  6. Step 6: Final answer
    x = 29,126.02

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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.