Home / 33,898.11-46,778.34-18,791.40

Finding the Fourth Proportional to 33,898.11, 46,778.34 and 18,791.40

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Solution

The fourth proportional to 33,898.11, 46,778.34 and 18,791.40 is: 25,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,898.11 : 46,778.34 = 18,791.40 : x
  2. Step 2: Convert to fraction form
    33,898.11/46,778.34 = 18,791.40/x
  3. Step 3: Cross multiply
    33,898.11x = 46,778.34 × 18,791.40
  4. Step 4: Simplify right side
    33,898.11x = 879,030,498.28
  5. Step 5: Solve for x
    x = 879,030,498.28/33,898.11
  6. Step 6: Final answer
    x = 25,931.55

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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.