Home / 53,739.36-80,593.92-18,678.24

Finding the Fourth Proportional to 53,739.36, 80,593.92 and 18,678.24

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Solution

The fourth proportional to 53,739.36, 80,593.92 and 18,678.24 is: 28,012.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,739.36 : 80,593.92 = 18,678.24 : x
  2. Step 2: Convert to fraction form
    53,739.36/80,593.92 = 18,678.24/x
  3. Step 3: Cross multiply
    53,739.36x = 80,593.92 × 18,678.24
  4. Step 4: Simplify right side
    53,739.36x = 1,505,352,580.30
  5. Step 5: Solve for x
    x = 1,505,352,580.30/53,739.36
  6. Step 6: Final answer
    x = 28,012.10

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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.