Home / 45,104.49-62,272.44-28,978.29

Finding the Fourth Proportional to 45,104.49, 62,272.44 and 28,978.29

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Solution

The fourth proportional to 45,104.49, 62,272.44 and 28,978.29 is: 40,008.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,104.49 : 62,272.44 = 28,978.29 : x
  2. Step 2: Convert to fraction form
    45,104.49/62,272.44 = 28,978.29/x
  3. Step 3: Cross multiply
    45,104.49x = 62,272.44 × 28,978.29
  4. Step 4: Simplify right side
    45,104.49x = 1,804,548,825.33
  5. Step 5: Solve for x
    x = 1,804,548,825.33/45,104.49
  6. Step 6: Final answer
    x = 40,008.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.