Home / 55,231.20-76,269.60-40,210.56

Finding the Fourth Proportional to 55,231.20, 76,269.60 and 40,210.56

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Solution

The fourth proportional to 55,231.20, 76,269.60 and 40,210.56 is: 55,527.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,231.20 : 76,269.60 = 40,210.56 : x
  2. Step 2: Convert to fraction form
    55,231.20/76,269.60 = 40,210.56/x
  3. Step 3: Cross multiply
    55,231.20x = 76,269.60 × 40,210.56
  4. Step 4: Simplify right side
    55,231.20x = 3,066,843,326.98
  5. Step 5: Solve for x
    x = 3,066,843,326.98/55,231.20
  6. Step 6: Final answer
    x = 55,527.37

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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.