Home / 43,978.15-66,055.43-26,243.41

Finding the Fourth Proportional to 43,978.15, 66,055.43 and 26,243.41

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Solution

The fourth proportional to 43,978.15, 66,055.43 and 26,243.41 is: 39,417.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,978.15 : 66,055.43 = 26,243.41 : x
  2. Step 2: Convert to fraction form
    43,978.15/66,055.43 = 26,243.41/x
  3. Step 3: Cross multiply
    43,978.15x = 66,055.43 × 26,243.41
  4. Step 4: Simplify right side
    43,978.15x = 1,733,519,732.22
  5. Step 5: Solve for x
    x = 1,733,519,732.22/43,978.15
  6. Step 6: Final answer
    x = 39,417.75

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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.