Home / 35,720.94-49,294.66-19,805.39

Finding the Fourth Proportional to 35,720.94, 49,294.66 and 19,805.39

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Solution

The fourth proportional to 35,720.94, 49,294.66 and 19,805.39 is: 27,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.94 : 49,294.66 = 19,805.39 : x
  2. Step 2: Convert to fraction form
    35,720.94/49,294.66 = 19,805.39/x
  3. Step 3: Cross multiply
    35,720.94x = 49,294.66 × 19,805.39
  4. Step 4: Simplify right side
    35,720.94x = 976,299,966.22
  5. Step 5: Solve for x
    x = 976,299,966.22/35,720.94
  6. Step 6: Final answer
    x = 27,331.31

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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.