Home / 50,810.20-76,085.70-40,442.20

Finding the Fourth Proportional to 50,810.20, 76,085.70 and 40,442.20

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Solution

The fourth proportional to 50,810.20, 76,085.70 and 40,442.20 is: 60,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,810.20 : 76,085.70 = 40,442.20 : x
  2. Step 2: Convert to fraction form
    50,810.20/76,085.70 = 40,442.20/x
  3. Step 3: Cross multiply
    50,810.20x = 76,085.70 × 40,442.20
  4. Step 4: Simplify right side
    50,810.20x = 3,077,073,096.54
  5. Step 5: Solve for x
    x = 3,077,073,096.54/50,810.20
  6. Step 6: Final answer
    x = 60,560.15

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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.