Home / 39,905.54-55,070.00-22,001.18

Finding the Fourth Proportional to 39,905.54, 55,070.00 and 22,001.18

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Solution

The fourth proportional to 39,905.54, 55,070.00 and 22,001.18 is: 30,361.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,905.54 : 55,070.00 = 22,001.18 : x
  2. Step 2: Convert to fraction form
    39,905.54/55,070.00 = 22,001.18/x
  3. Step 3: Cross multiply
    39,905.54x = 55,070.00 × 22,001.18
  4. Step 4: Simplify right side
    39,905.54x = 1,211,604,597.24
  5. Step 5: Solve for x
    x = 1,211,604,597.24/39,905.54
  6. Step 6: Final answer
    x = 30,361.82

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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.