Home / 55,218.14-82,840.44-17,781.74

Finding the Fourth Proportional to 55,218.14, 82,840.44 and 17,781.74

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Solution

The fourth proportional to 55,218.14, 82,840.44 and 17,781.74 is: 26,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,218.14 : 82,840.44 = 17,781.74 : x
  2. Step 2: Convert to fraction form
    55,218.14/82,840.44 = 17,781.74/x
  3. Step 3: Cross multiply
    55,218.14x = 82,840.44 × 17,781.74
  4. Step 4: Simplify right side
    55,218.14x = 1,473,046,751.36
  5. Step 5: Solve for x
    x = 1,473,046,751.36/55,218.14
  6. Step 6: Final answer
    x = 26,676.87

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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.