Home / 35,781.20-49,376.13-19,864.62

Finding the Fourth Proportional to 35,781.20, 49,376.13 and 19,864.62

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Solution

The fourth proportional to 35,781.20, 49,376.13 and 19,864.62 is: 27,412.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.20 : 49,376.13 = 19,864.62 : x
  2. Step 2: Convert to fraction form
    35,781.20/49,376.13 = 19,864.62/x
  3. Step 3: Cross multiply
    35,781.20x = 49,376.13 × 19,864.62
  4. Step 4: Simplify right side
    35,781.20x = 980,838,170.19
  5. Step 5: Solve for x
    x = 980,838,170.19/35,781.20
  6. Step 6: Final answer
    x = 27,412.11

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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.