Home / 33,761.79-46,579.91-21,840.21

Finding the Fourth Proportional to 33,761.79, 46,579.91 and 21,840.21

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Solution

The fourth proportional to 33,761.79, 46,579.91 and 21,840.21 is: 30,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,761.79 : 46,579.91 = 21,840.21 : x
  2. Step 2: Convert to fraction form
    33,761.79/46,579.91 = 21,840.21/x
  3. Step 3: Cross multiply
    33,761.79x = 46,579.91 × 21,840.21
  4. Step 4: Simplify right side
    33,761.79x = 1,017,314,906.98
  5. Step 5: Solve for x
    x = 1,017,314,906.98/33,761.79
  6. Step 6: Final answer
    x = 30,132.14

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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.