Home / 30,053.66-41,470.89-16,622.78

Finding the Fourth Proportional to 30,053.66, 41,470.89 and 16,622.78

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Solution

The fourth proportional to 30,053.66, 41,470.89 and 16,622.78 is: 22,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,053.66 : 41,470.89 = 16,622.78 : x
  2. Step 2: Convert to fraction form
    30,053.66/41,470.89 = 16,622.78/x
  3. Step 3: Cross multiply
    30,053.66x = 41,470.89 × 16,622.78
  4. Step 4: Simplify right side
    30,053.66x = 689,361,480.87
  5. Step 5: Solve for x
    x = 689,361,480.87/30,053.66
  6. Step 6: Final answer
    x = 22,937.69

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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.