Home / 34,210.97-47,210.22-19,103.21

Finding the Fourth Proportional to 34,210.97, 47,210.22 and 19,103.21

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Solution

The fourth proportional to 34,210.97, 47,210.22 and 19,103.21 is: 26,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,210.97 : 47,210.22 = 19,103.21 : x
  2. Step 2: Convert to fraction form
    34,210.97/47,210.22 = 19,103.21/x
  3. Step 3: Cross multiply
    34,210.97x = 47,210.22 × 19,103.21
  4. Step 4: Simplify right side
    34,210.97x = 901,866,687.79
  5. Step 5: Solve for x
    x = 901,866,687.79/34,210.97
  6. Step 6: Final answer
    x = 26,361.92

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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.