Home / 39,476.19-54,477.87-21,571.95

Finding the Fourth Proportional to 39,476.19, 54,477.87 and 21,571.95

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Solution

The fourth proportional to 39,476.19, 54,477.87 and 21,571.95 is: 29,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,476.19 : 54,477.87 = 21,571.95 : x
  2. Step 2: Convert to fraction form
    39,476.19/54,477.87 = 21,571.95/x
  3. Step 3: Cross multiply
    39,476.19x = 54,477.87 × 21,571.95
  4. Step 4: Simplify right side
    39,476.19x = 1,175,193,887.75
  5. Step 5: Solve for x
    x = 1,175,193,887.75/39,476.19
  6. Step 6: Final answer
    x = 29,769.69

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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.