Home / 54,443.25-81,670.02-21,165.87

Finding the Fourth Proportional to 54,443.25, 81,670.02 and 21,165.87

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Solution

The fourth proportional to 54,443.25, 81,670.02 and 21,165.87 is: 31,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,443.25 : 81,670.02 = 21,165.87 : x
  2. Step 2: Convert to fraction form
    54,443.25/81,670.02 = 21,165.87/x
  3. Step 3: Cross multiply
    54,443.25x = 81,670.02 × 21,165.87
  4. Step 4: Simplify right side
    54,443.25x = 1,728,617,026.22
  5. Step 5: Solve for x
    x = 1,728,617,026.22/54,443.25
  6. Step 6: Final answer
    x = 31,750.81

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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.