Home / 53,764.92-80,670.42-18,685.44

Finding the Fourth Proportional to 53,764.92, 80,670.42 and 18,685.44

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Solution

The fourth proportional to 53,764.92, 80,670.42 and 18,685.44 is: 28,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,764.92 : 80,670.42 = 18,685.44 : x
  2. Step 2: Convert to fraction form
    53,764.92/80,670.42 = 18,685.44/x
  3. Step 3: Cross multiply
    53,764.92x = 80,670.42 × 18,685.44
  4. Step 4: Simplify right side
    53,764.92x = 1,507,362,292.68
  5. Step 5: Solve for x
    x = 1,507,362,292.68/53,764.92
  6. Step 6: Final answer
    x = 28,036.17

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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.