Home / 45,739.94-68,539.05-31,727.21

Finding the Fourth Proportional to 45,739.94, 68,539.05 and 31,727.21

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Solution

The fourth proportional to 45,739.94, 68,539.05 and 31,727.21 is: 47,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.94 : 68,539.05 = 31,727.21 : x
  2. Step 2: Convert to fraction form
    45,739.94/68,539.05 = 31,727.21/x
  3. Step 3: Cross multiply
    45,739.94x = 68,539.05 × 31,727.21
  4. Step 4: Simplify right side
    45,739.94x = 2,174,552,832.55
  5. Step 5: Solve for x
    x = 2,174,552,832.55/45,739.94
  6. Step 6: Final answer
    x = 47,541.66

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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.