Home / 53,149.97-79,724.86-13,707.02

Finding the Fourth Proportional to 53,149.97, 79,724.86 and 13,707.02

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Solution

The fourth proportional to 53,149.97, 79,724.86 and 13,707.02 is: 20,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149.97 : 79,724.86 = 13,707.02 : x
  2. Step 2: Convert to fraction form
    53,149.97/79,724.86 = 13,707.02/x
  3. Step 3: Cross multiply
    53,149.97x = 79,724.86 × 13,707.02
  4. Step 4: Simplify right side
    53,149.97x = 1,092,790,415.56
  5. Step 5: Solve for x
    x = 1,092,790,415.56/53,149.97
  6. Step 6: Final answer
    x = 20,560.51

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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.