Home / 33,858.84-46,747.89-21,117.18

Finding the Fourth Proportional to 33,858.84, 46,747.89 and 21,117.18

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Solution

The fourth proportional to 33,858.84, 46,747.89 and 21,117.18 is: 29,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,858.84 : 46,747.89 = 21,117.18 : x
  2. Step 2: Convert to fraction form
    33,858.84/46,747.89 = 21,117.18/x
  3. Step 3: Cross multiply
    33,858.84x = 46,747.89 × 21,117.18
  4. Step 4: Simplify right side
    33,858.84x = 987,183,607.75
  5. Step 5: Solve for x
    x = 987,183,607.75/33,858.84
  6. Step 6: Final answer
    x = 29,155.86

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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.