Home / 53,382.36-80,073.27-13,938.60

Finding the Fourth Proportional to 53,382.36, 80,073.27 and 13,938.60

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Solution

The fourth proportional to 53,382.36, 80,073.27 and 13,938.60 is: 20,907.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,382.36 : 80,073.27 = 13,938.60 : x
  2. Step 2: Convert to fraction form
    53,382.36/80,073.27 = 13,938.60/x
  3. Step 3: Cross multiply
    53,382.36x = 80,073.27 × 13,938.60
  4. Step 4: Simplify right side
    53,382.36x = 1,116,109,281.22
  5. Step 5: Solve for x
    x = 1,116,109,281.22/53,382.36
  6. Step 6: Final answer
    x = 20,907.83

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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.