Home / 53,362.48-80,085.04-20,112.79

Finding the Fourth Proportional to 53,362.48, 80,085.04 and 20,112.79

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Solution

The fourth proportional to 53,362.48, 80,085.04 and 20,112.79 is: 30,184.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,362.48 : 80,085.04 = 20,112.79 : x
  2. Step 2: Convert to fraction form
    53,362.48/80,085.04 = 20,112.79/x
  3. Step 3: Cross multiply
    53,362.48x = 80,085.04 × 20,112.79
  4. Step 4: Simplify right side
    53,362.48x = 1,610,733,591.66
  5. Step 5: Solve for x
    x = 1,610,733,591.66/53,362.48
  6. Step 6: Final answer
    x = 30,184.76

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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.