Home / 38,365.89-52,944.11-21,370.08

Finding the Fourth Proportional to 38,365.89, 52,944.11 and 21,370.08

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Solution

The fourth proportional to 38,365.89, 52,944.11 and 21,370.08 is: 29,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,365.89 : 52,944.11 = 21,370.08 : x
  2. Step 2: Convert to fraction form
    38,365.89/52,944.11 = 21,370.08/x
  3. Step 3: Cross multiply
    38,365.89x = 52,944.11 × 21,370.08
  4. Step 4: Simplify right side
    38,365.89x = 1,131,419,759.38
  5. Step 5: Solve for x
    x = 1,131,419,759.38/38,365.89
  6. Step 6: Final answer
    x = 29,490.25

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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.