Home / 34,364.51-47,422.22-20,218.26

Finding the Fourth Proportional to 34,364.51, 47,422.22 and 20,218.26

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Solution

The fourth proportional to 34,364.51, 47,422.22 and 20,218.26 is: 27,900.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,364.51 : 47,422.22 = 20,218.26 : x
  2. Step 2: Convert to fraction form
    34,364.51/47,422.22 = 20,218.26/x
  3. Step 3: Cross multiply
    34,364.51x = 47,422.22 × 20,218.26
  4. Step 4: Simplify right side
    34,364.51x = 958,794,672.65
  5. Step 5: Solve for x
    x = 958,794,672.65/34,364.51
  6. Step 6: Final answer
    x = 27,900.73

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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.