Home / 35,781.72-49,376.48-19,866.16

Finding the Fourth Proportional to 35,781.72, 49,376.48 and 19,866.16

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Solution

The fourth proportional to 35,781.72, 49,376.48 and 19,866.16 is: 27,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.72 : 49,376.48 = 19,866.16 : x
  2. Step 2: Convert to fraction form
    35,781.72/49,376.48 = 19,866.16/x
  3. Step 3: Cross multiply
    35,781.72x = 49,376.48 × 19,866.16
  4. Step 4: Simplify right side
    35,781.72x = 980,921,051.92
  5. Step 5: Solve for x
    x = 980,921,051.92/35,781.72
  6. Step 6: Final answer
    x = 27,414.03

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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.