Home / 40,804.80-61,208.76-14,513.28

Finding the Fourth Proportional to 40,804.80, 61,208.76 and 14,513.28

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Solution

The fourth proportional to 40,804.80, 61,208.76 and 14,513.28 is: 21,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,804.80 : 61,208.76 = 14,513.28 : x
  2. Step 2: Convert to fraction form
    40,804.80/61,208.76 = 14,513.28/x
  3. Step 3: Cross multiply
    40,804.80x = 61,208.76 × 14,513.28
  4. Step 4: Simplify right side
    40,804.80x = 888,339,872.33
  5. Step 5: Solve for x
    x = 888,339,872.33/40,804.80
  6. Step 6: Final answer
    x = 21,770.47

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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.