Home / 54,253.31-81,379.13-14,810.31

Finding the Fourth Proportional to 54,253.31, 81,379.13 and 14,810.31

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Solution

The fourth proportional to 54,253.31, 81,379.13 and 14,810.31 is: 22,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,253.31 : 81,379.13 = 14,810.31 : x
  2. Step 2: Convert to fraction form
    54,253.31/81,379.13 = 14,810.31/x
  3. Step 3: Cross multiply
    54,253.31x = 81,379.13 × 14,810.31
  4. Step 4: Simplify right side
    54,253.31x = 1,205,250,152.09
  5. Step 5: Solve for x
    x = 1,205,250,152.09/54,253.31
  6. Step 6: Final answer
    x = 22,215.24

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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.