Home / 45,720.05-68,517.80-25,739.07

Finding the Fourth Proportional to 45,720.05, 68,517.80 and 25,739.07

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Solution

The fourth proportional to 45,720.05, 68,517.80 and 25,739.07 is: 38,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,720.05 : 68,517.80 = 25,739.07 : x
  2. Step 2: Convert to fraction form
    45,720.05/68,517.80 = 25,739.07/x
  3. Step 3: Cross multiply
    45,720.05x = 68,517.80 × 25,739.07
  4. Step 4: Simplify right side
    45,720.05x = 1,763,584,362.19
  5. Step 5: Solve for x
    x = 1,763,584,362.19/45,720.05
  6. Step 6: Final answer
    x = 38,573.55

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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.