Home / 55,638.12-83,456.21-17,687.22

Finding the Fourth Proportional to 55,638.12, 83,456.21 and 17,687.22

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Solution

The fourth proportional to 55,638.12, 83,456.21 and 17,687.22 is: 26,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638.12 : 83,456.21 = 17,687.22 : x
  2. Step 2: Convert to fraction form
    55,638.12/83,456.21 = 17,687.22/x
  3. Step 3: Cross multiply
    55,638.12x = 83,456.21 × 17,687.22
  4. Step 4: Simplify right side
    55,638.12x = 1,476,108,346.64
  5. Step 5: Solve for x
    x = 1,476,108,346.64/55,638.12
  6. Step 6: Final answer
    x = 26,530.52

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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.