Home / 45,739.88-68,538.96-31,727.15

Finding the Fourth Proportional to 45,739.88, 68,538.96 and 31,727.15

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Solution

The fourth proportional to 45,739.88, 68,538.96 and 31,727.15 is: 47,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.88 : 68,538.96 = 31,727.15 : x
  2. Step 2: Convert to fraction form
    45,739.88/68,538.96 = 31,727.15/x
  3. Step 3: Cross multiply
    45,739.88x = 68,538.96 × 31,727.15
  4. Step 4: Simplify right side
    45,739.88x = 2,174,545,522.07
  5. Step 5: Solve for x
    x = 2,174,545,522.07/45,739.88
  6. Step 6: Final answer
    x = 47,541.57

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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.