Home / 35,720.82-49,294.49-19,805.26

Finding the Fourth Proportional to 35,720.82, 49,294.49 and 19,805.26

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Solution

The fourth proportional to 35,720.82, 49,294.49 and 19,805.26 is: 27,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.82 : 49,294.49 = 19,805.26 : x
  2. Step 2: Convert to fraction form
    35,720.82/49,294.49 = 19,805.26/x
  3. Step 3: Cross multiply
    35,720.82x = 49,294.49 × 19,805.26
  4. Step 4: Simplify right side
    35,720.82x = 976,290,191.02
  5. Step 5: Solve for x
    x = 976,290,191.02/35,720.82
  6. Step 6: Final answer
    x = 27,331.12

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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.