Home / 35,845.86-53,781.12-21,067.14

Finding the Fourth Proportional to 35,845.86, 53,781.12 and 21,067.14

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Solution

The fourth proportional to 35,845.86, 53,781.12 and 21,067.14 is: 31,607.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845.86 : 53,781.12 = 21,067.14 : x
  2. Step 2: Convert to fraction form
    35,845.86/53,781.12 = 21,067.14/x
  3. Step 3: Cross multiply
    35,845.86x = 53,781.12 × 21,067.14
  4. Step 4: Simplify right side
    35,845.86x = 1,133,014,384.40
  5. Step 5: Solve for x
    x = 1,133,014,384.40/35,845.86
  6. Step 6: Final answer
    x = 31,607.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.