Home / 34,213.80-47,217.48-19,109.40

Finding the Fourth Proportional to 34,213.80, 47,217.48 and 19,109.40

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Solution

The fourth proportional to 34,213.80, 47,217.48 and 19,109.40 is: 26,372.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,213.80 : 47,217.48 = 19,109.40 : x
  2. Step 2: Convert to fraction form
    34,213.80/47,217.48 = 19,109.40/x
  3. Step 3: Cross multiply
    34,213.80x = 47,217.48 × 19,109.40
  4. Step 4: Simplify right side
    34,213.80x = 902,297,712.31
  5. Step 5: Solve for x
    x = 902,297,712.31/34,213.80
  6. Step 6: Final answer
    x = 26,372.33

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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.