Home / 54,173.48-81,245.66-19,108.52

Finding the Fourth Proportional to 54,173.48, 81,245.66 and 19,108.52

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Solution

The fourth proportional to 54,173.48, 81,245.66 and 19,108.52 is: 28,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.48 : 81,245.66 = 19,108.52 : x
  2. Step 2: Convert to fraction form
    54,173.48/81,245.66 = 19,108.52/x
  3. Step 3: Cross multiply
    54,173.48x = 81,245.66 × 19,108.52
  4. Step 4: Simplify right side
    54,173.48x = 1,552,484,319.02
  5. Step 5: Solve for x
    x = 1,552,484,319.02/54,173.48
  6. Step 6: Final answer
    x = 28,657.64

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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.