Home / 50,904.31-76,379.15-19,741.99

Finding the Fourth Proportional to 50,904.31, 76,379.15 and 19,741.99

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Solution

The fourth proportional to 50,904.31, 76,379.15 and 19,741.99 is: 29,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,904.31 : 76,379.15 = 19,741.99 : x
  2. Step 2: Convert to fraction form
    50,904.31/76,379.15 = 19,741.99/x
  3. Step 3: Cross multiply
    50,904.31x = 76,379.15 × 19,741.99
  4. Step 4: Simplify right side
    50,904.31x = 1,507,876,415.51
  5. Step 5: Solve for x
    x = 1,507,876,415.51/50,904.31
  6. Step 6: Final answer
    x = 29,621.78

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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.