Home / 53,418.56-80,132.16-18,358.24

Finding the Fourth Proportional to 53,418.56, 80,132.16 and 18,358.24

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Solution

The fourth proportional to 53,418.56, 80,132.16 and 18,358.24 is: 27,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,418.56 : 80,132.16 = 18,358.24 : x
  2. Step 2: Convert to fraction form
    53,418.56/80,132.16 = 18,358.24/x
  3. Step 3: Cross multiply
    53,418.56x = 80,132.16 × 18,358.24
  4. Step 4: Simplify right side
    53,418.56x = 1,471,085,425.00
  5. Step 5: Solve for x
    x = 1,471,085,425.00/53,418.56
  6. Step 6: Final answer
    x = 27,538.84

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1.5x scale

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.