Home / 54,222.20-81,330.91-14,779.31

Finding the Fourth Proportional to 54,222.20, 81,330.91 and 14,779.31

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Solution

The fourth proportional to 54,222.20, 81,330.91 and 14,779.31 is: 22,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,222.20 : 81,330.91 = 14,779.31 : x
  2. Step 2: Convert to fraction form
    54,222.20/81,330.91 = 14,779.31/x
  3. Step 3: Cross multiply
    54,222.20x = 81,330.91 × 14,779.31
  4. Step 4: Simplify right side
    54,222.20x = 1,202,014,657.58
  5. Step 5: Solve for x
    x = 1,202,014,657.58/54,222.20
  6. Step 6: Final answer
    x = 22,168.31

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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.