Home / 53,982.77-80,971.82-18,447.26

Finding the Fourth Proportional to 53,982.77, 80,971.82 and 18,447.26

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Solution

The fourth proportional to 53,982.77, 80,971.82 and 18,447.26 is: 27,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,982.77 : 80,971.82 = 18,447.26 : x
  2. Step 2: Convert to fraction form
    53,982.77/80,971.82 = 18,447.26/x
  3. Step 3: Cross multiply
    53,982.77x = 80,971.82 × 18,447.26
  4. Step 4: Simplify right side
    53,982.77x = 1,493,708,123.98
  5. Step 5: Solve for x
    x = 1,493,708,123.98/53,982.77
  6. Step 6: Final answer
    x = 27,670.09

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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.