Home / 55,166.24-76,129.80-30,015.92

Finding the Fourth Proportional to 55,166.24, 76,129.80 and 30,015.92

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Solution

The fourth proportional to 55,166.24, 76,129.80 and 30,015.92 is: 41,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166.24 : 76,129.80 = 30,015.92 : x
  2. Step 2: Convert to fraction form
    55,166.24/76,129.80 = 30,015.92/x
  3. Step 3: Cross multiply
    55,166.24x = 76,129.80 × 30,015.92
  4. Step 4: Simplify right side
    55,166.24x = 2,285,105,986.42
  5. Step 5: Solve for x
    x = 2,285,105,986.42/55,166.24
  6. Step 6: Final answer
    x = 41,422.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.