Home / 35,999.15-49,678.12-19,867.97

Finding the Fourth Proportional to 35,999.15, 49,678.12 and 19,867.97

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Solution

The fourth proportional to 35,999.15, 49,678.12 and 19,867.97 is: 27,417.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.15 : 49,678.12 = 19,867.97 : x
  2. Step 2: Convert to fraction form
    35,999.15/49,678.12 = 19,867.97/x
  3. Step 3: Cross multiply
    35,999.15x = 49,678.12 × 19,867.97
  4. Step 4: Simplify right side
    35,999.15x = 987,003,397.82
  5. Step 5: Solve for x
    x = 987,003,397.82/35,999.15
  6. Step 6: Final answer
    x = 27,417.41

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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.