Home / 43,187.18-64,794.60-27,405.47

Finding the Fourth Proportional to 43,187.18, 64,794.60 and 27,405.47

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Solution

The fourth proportional to 43,187.18, 64,794.60 and 27,405.47 is: 41,116.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.18 : 64,794.60 = 27,405.47 : x
  2. Step 2: Convert to fraction form
    43,187.18/64,794.60 = 27,405.47/x
  3. Step 3: Cross multiply
    43,187.18x = 64,794.60 × 27,405.47
  4. Step 4: Simplify right side
    43,187.18x = 1,775,726,628.45
  5. Step 5: Solve for x
    x = 1,775,726,628.45/43,187.18
  6. Step 6: Final answer
    x = 41,116.99

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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.