Home / 39,905.58-55,070.07-22,001.22

Finding the Fourth Proportional to 39,905.58, 55,070.07 and 22,001.22

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Solution

The fourth proportional to 39,905.58, 55,070.07 and 22,001.22 is: 30,361.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.58 : 55,070.07 = 22,001.22 : x
  2. Step 2: Convert to fraction form
    39,905.58/55,070.07 = 22,001.22/x
  3. Step 3: Cross multiply
    39,905.58x = 55,070.07 × 22,001.22
  4. Step 4: Simplify right side
    39,905.58x = 1,211,608,725.49
  5. Step 5: Solve for x
    x = 1,211,608,725.49/39,905.58
  6. Step 6: Final answer
    x = 30,361.89

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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.