Home / 55,481.24-83,182.98-20,416.34

Finding the Fourth Proportional to 55,481.24, 83,182.98 and 20,416.34

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Solution

The fourth proportional to 55,481.24, 83,182.98 and 20,416.34 is: 30,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,481.24 : 83,182.98 = 20,416.34 : x
  2. Step 2: Convert to fraction form
    55,481.24/83,182.98 = 20,416.34/x
  3. Step 3: Cross multiply
    55,481.24x = 83,182.98 × 20,416.34
  4. Step 4: Simplify right side
    55,481.24x = 1,698,292,001.89
  5. Step 5: Solve for x
    x = 1,698,292,001.89/55,481.24
  6. Step 6: Final answer
    x = 30,610.20

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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.