Home / 39,356.74-54,310.73-21,451.37

Finding the Fourth Proportional to 39,356.74, 54,310.73 and 21,451.37

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Solution

The fourth proportional to 39,356.74, 54,310.73 and 21,451.37 is: 29,602.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,356.74 : 54,310.73 = 21,451.37 : x
  2. Step 2: Convert to fraction form
    39,356.74/54,310.73 = 21,451.37/x
  3. Step 3: Cross multiply
    39,356.74x = 54,310.73 × 21,451.37
  4. Step 4: Simplify right side
    39,356.74x = 1,165,039,456.94
  5. Step 5: Solve for x
    x = 1,165,039,456.94/39,356.74
  6. Step 6: Final answer
    x = 29,602.03

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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.