Home / 30,157.76-41,617.82-16,730.26

Finding the Fourth Proportional to 30,157.76, 41,617.82 and 16,730.26

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Solution

The fourth proportional to 30,157.76, 41,617.82 and 16,730.26 is: 23,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157.76 : 41,617.82 = 16,730.26 : x
  2. Step 2: Convert to fraction form
    30,157.76/41,617.82 = 16,730.26/x
  3. Step 3: Cross multiply
    30,157.76x = 41,617.82 × 16,730.26
  4. Step 4: Simplify right side
    30,157.76x = 696,276,949.23
  5. Step 5: Solve for x
    x = 696,276,949.23/30,157.76
  6. Step 6: Final answer
    x = 23,087.82

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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.