Home / 34,105.36-47,067.76-20,677.16

Finding the Fourth Proportional to 34,105.36, 47,067.76 and 20,677.16

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Solution

The fourth proportional to 34,105.36, 47,067.76 and 20,677.16 is: 28,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,105.36 : 47,067.76 = 20,677.16 : x
  2. Step 2: Convert to fraction form
    34,105.36/47,067.76 = 20,677.16/x
  3. Step 3: Cross multiply
    34,105.36x = 47,067.76 × 20,677.16
  4. Step 4: Simplify right side
    34,105.36x = 973,227,604.36
  5. Step 5: Solve for x
    x = 973,227,604.36/34,105.36
  6. Step 6: Final answer
    x = 28,535.91

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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.