Home / 39,901.74-55,061.01-22,905.60

Finding the Fourth Proportional to 39,901.74, 55,061.01 and 22,905.60

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Solution

The fourth proportional to 39,901.74, 55,061.01 and 22,905.60 is: 31,607.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,901.74 : 55,061.01 = 22,905.60 : x
  2. Step 2: Convert to fraction form
    39,901.74/55,061.01 = 22,905.60/x
  3. Step 3: Cross multiply
    39,901.74x = 55,061.01 × 22,905.60
  4. Step 4: Simplify right side
    39,901.74x = 1,261,205,470.66
  5. Step 5: Solve for x
    x = 1,261,205,470.66/39,901.74
  6. Step 6: Final answer
    x = 31,607.78

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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.