Home / 30,295.74-41,793.77-21,348.17

Finding the Fourth Proportional to 30,295.74, 41,793.77 and 21,348.17

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Solution

The fourth proportional to 30,295.74, 41,793.77 and 21,348.17 is: 29,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,295.74 : 41,793.77 = 21,348.17 : x
  2. Step 2: Convert to fraction form
    30,295.74/41,793.77 = 21,348.17/x
  3. Step 3: Cross multiply
    30,295.74x = 41,793.77 × 21,348.17
  4. Step 4: Simplify right side
    30,295.74x = 892,220,191.19
  5. Step 5: Solve for x
    x = 892,220,191.19/30,295.74
  6. Step 6: Final answer
    x = 29,450.35

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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.