Home / 55,610.90-83,420.97-18,170.18

Finding the Fourth Proportional to 55,610.90, 83,420.97 and 18,170.18

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Solution

The fourth proportional to 55,610.90, 83,420.97 and 18,170.18 is: 27,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.90 : 83,420.97 = 18,170.18 : x
  2. Step 2: Convert to fraction form
    55,610.90/83,420.97 = 18,170.18/x
  3. Step 3: Cross multiply
    55,610.90x = 83,420.97 × 18,170.18
  4. Step 4: Simplify right side
    55,610.90x = 1,515,774,040.67
  5. Step 5: Solve for x
    x = 1,515,774,040.67/55,610.90
  6. Step 6: Final answer
    x = 27,256.78

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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.