Home / 53,972.73-80,972.82-18,911.52

Finding the Fourth Proportional to 53,972.73, 80,972.82 and 18,911.52

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Solution

The fourth proportional to 53,972.73, 80,972.82 and 18,911.52 is: 28,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,972.73 : 80,972.82 = 18,911.52 : x
  2. Step 2: Convert to fraction form
    53,972.73/80,972.82 = 18,911.52/x
  3. Step 3: Cross multiply
    53,972.73x = 80,972.82 × 18,911.52
  4. Step 4: Simplify right side
    53,972.73x = 1,531,319,104.89
  5. Step 5: Solve for x
    x = 1,531,319,104.89/53,972.73
  6. Step 6: Final answer
    x = 28,372.09

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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.