Home / 33,877.05-46,749.72-18,769.40

Finding the Fourth Proportional to 33,877.05, 46,749.72 and 18,769.40

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Solution

The fourth proportional to 33,877.05, 46,749.72 and 18,769.40 is: 25,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,877.05 : 46,749.72 = 18,769.40 : x
  2. Step 2: Convert to fraction form
    33,877.05/46,749.72 = 18,769.40/x
  3. Step 3: Cross multiply
    33,877.05x = 46,749.72 × 18,769.40
  4. Step 4: Simplify right side
    33,877.05x = 877,464,217.60
  5. Step 5: Solve for x
    x = 877,464,217.60/33,877.05
  6. Step 6: Final answer
    x = 25,901.44

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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.