Home / 53,498.82-80,179.55-20,179.20

Finding the Fourth Proportional to 53,498.82, 80,179.55 and 20,179.20

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Solution

The fourth proportional to 53,498.82, 80,179.55 and 20,179.20 is: 30,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,498.82 : 80,179.55 = 20,179.20 : x
  2. Step 2: Convert to fraction form
    53,498.82/80,179.55 = 20,179.20/x
  3. Step 3: Cross multiply
    53,498.82x = 80,179.55 × 20,179.20
  4. Step 4: Simplify right side
    53,498.82x = 1,617,959,074.46
  5. Step 5: Solve for x
    x = 1,617,959,074.46/53,498.82
  6. Step 6: Final answer
    x = 30,242.89

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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.