Home / 43,549.44-65,326.08-12,386.56

Finding the Fourth Proportional to 43,549.44, 65,326.08 and 12,386.56

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Solution

The fourth proportional to 43,549.44, 65,326.08 and 12,386.56 is: 18,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,549.44 : 65,326.08 = 12,386.56 : x
  2. Step 2: Convert to fraction form
    43,549.44/65,326.08 = 12,386.56/x
  3. Step 3: Cross multiply
    43,549.44x = 65,326.08 × 12,386.56
  4. Step 4: Simplify right side
    43,549.44x = 809,165,409.48
  5. Step 5: Solve for x
    x = 809,165,409.48/43,549.44
  6. Step 6: Final answer
    x = 18,580.39

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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.