Home / 39,914.58-55,084.59-22,009.56

Finding the Fourth Proportional to 39,914.58, 55,084.59 and 22,009.56

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Solution

The fourth proportional to 39,914.58, 55,084.59 and 22,009.56 is: 30,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,914.58 : 55,084.59 = 22,009.56 : x
  2. Step 2: Convert to fraction form
    39,914.58/55,084.59 = 22,009.56/x
  3. Step 3: Cross multiply
    39,914.58x = 55,084.59 × 22,009.56
  4. Step 4: Simplify right side
    39,914.58x = 1,212,387,588.68
  5. Step 5: Solve for x
    x = 1,212,387,588.68/39,914.58
  6. Step 6: Final answer
    x = 30,374.55

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1.5x scale

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.