Home / 34,020.47-46,954.06-21,917.55

Finding the Fourth Proportional to 34,020.47, 46,954.06 and 21,917.55

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Solution

The fourth proportional to 34,020.47, 46,954.06 and 21,917.55 is: 30,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,020.47 : 46,954.06 = 21,917.55 : x
  2. Step 2: Convert to fraction form
    34,020.47/46,954.06 = 21,917.55/x
  3. Step 3: Cross multiply
    34,020.47x = 46,954.06 × 21,917.55
  4. Step 4: Simplify right side
    34,020.47x = 1,029,117,613.39
  5. Step 5: Solve for x
    x = 1,029,117,613.39/34,020.47
  6. Step 6: Final answer
    x = 30,249.96

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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.