Home / 39,913.80-55,080.36-22,010.52

Finding the Fourth Proportional to 39,913.80, 55,080.36 and 22,010.52

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Solution

The fourth proportional to 39,913.80, 55,080.36 and 22,010.52 is: 30,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.80 : 55,080.36 = 22,010.52 : x
  2. Step 2: Convert to fraction form
    39,913.80/55,080.36 = 22,010.52/x
  3. Step 3: Cross multiply
    39,913.80x = 55,080.36 × 22,010.52
  4. Step 4: Simplify right side
    39,913.80x = 1,212,347,365.39
  5. Step 5: Solve for x
    x = 1,212,347,365.39/39,913.80
  6. Step 6: Final answer
    x = 30,374.14

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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.