Home / 34,105.93-47,063.75-18,791.80

Finding the Fourth Proportional to 34,105.93, 47,063.75 and 18,791.80

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Solution

The fourth proportional to 34,105.93, 47,063.75 and 18,791.80 is: 25,931.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,105.93 : 47,063.75 = 18,791.80 : x
  2. Step 2: Convert to fraction form
    34,105.93/47,063.75 = 18,791.80/x
  3. Step 3: Cross multiply
    34,105.93x = 47,063.75 × 18,791.80
  4. Step 4: Simplify right side
    34,105.93x = 884,412,577.25
  5. Step 5: Solve for x
    x = 884,412,577.25/34,105.93
  6. Step 6: Final answer
    x = 25,931.34

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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.