Home / 50,796.20-76,064.70-40,428.20

Finding the Fourth Proportional to 50,796.20, 76,064.70 and 40,428.20

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Solution

The fourth proportional to 50,796.20, 76,064.70 and 40,428.20 is: 60,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,796.20 : 76,064.70 = 40,428.20 : x
  2. Step 2: Convert to fraction form
    50,796.20/76,064.70 = 40,428.20/x
  3. Step 3: Cross multiply
    50,796.20x = 76,064.70 × 40,428.20
  4. Step 4: Simplify right side
    50,796.20x = 3,075,158,904.54
  5. Step 5: Solve for x
    x = 3,075,158,904.54/50,796.20
  6. Step 6: Final answer
    x = 60,539.15

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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.