Home / 30,772.26-42,465.58-16,625.07

Finding the Fourth Proportional to 30,772.26, 42,465.58 and 16,625.07

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Solution

The fourth proportional to 30,772.26, 42,465.58 and 16,625.07 is: 22,942.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,772.26 : 42,465.58 = 16,625.07 : x
  2. Step 2: Convert to fraction form
    30,772.26/42,465.58 = 16,625.07/x
  3. Step 3: Cross multiply
    30,772.26x = 42,465.58 × 16,625.07
  4. Step 4: Simplify right side
    30,772.26x = 705,993,240.09
  5. Step 5: Solve for x
    x = 705,993,240.09/30,772.26
  6. Step 6: Final answer
    x = 22,942.52

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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.