Home / 53,530.88-80,301.78-18,470.43

Finding the Fourth Proportional to 53,530.88, 80,301.78 and 18,470.43

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Solution

The fourth proportional to 53,530.88, 80,301.78 and 18,470.43 is: 27,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,530.88 : 80,301.78 = 18,470.43 : x
  2. Step 2: Convert to fraction form
    53,530.88/80,301.78 = 18,470.43/x
  3. Step 3: Cross multiply
    53,530.88x = 80,301.78 × 18,470.43
  4. Step 4: Simplify right side
    53,530.88x = 1,483,208,406.37
  5. Step 5: Solve for x
    x = 1,483,208,406.37/53,530.88
  6. Step 6: Final answer
    x = 27,707.53

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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.