Home / 43,382.45-64,893.74-40,725.25

Finding the Fourth Proportional to 43,382.45, 64,893.74 and 40,725.25

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Solution

The fourth proportional to 43,382.45, 64,893.74 and 40,725.25 is: 60,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,382.45 : 64,893.74 = 40,725.25 : x
  2. Step 2: Convert to fraction form
    43,382.45/64,893.74 = 40,725.25/x
  3. Step 3: Cross multiply
    43,382.45x = 64,893.74 × 40,725.25
  4. Step 4: Simplify right side
    43,382.45x = 2,642,813,419.07
  5. Step 5: Solve for x
    x = 2,642,813,419.07/43,382.45
  6. Step 6: Final answer
    x = 60,918.95

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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.