Home / 54,625.61-81,987.26-27,989.77

Finding the Fourth Proportional to 54,625.61, 81,987.26 and 27,989.77

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Solution

The fourth proportional to 54,625.61, 81,987.26 and 27,989.77 is: 42,009.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,625.61 : 81,987.26 = 27,989.77 : x
  2. Step 2: Convert to fraction form
    54,625.61/81,987.26 = 27,989.77/x
  3. Step 3: Cross multiply
    54,625.61x = 81,987.26 × 27,989.77
  4. Step 4: Simplify right side
    54,625.61x = 2,294,804,410.38
  5. Step 5: Solve for x
    x = 2,294,804,410.38/54,625.61
  6. Step 6: Final answer
    x = 42,009.68

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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.