Home / 30,247.30-41,740.32-16,818.82

Finding the Fourth Proportional to 30,247.30, 41,740.32 and 16,818.82

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Solution

The fourth proportional to 30,247.30, 41,740.32 and 16,818.82 is: 23,209.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.30 : 41,740.32 = 16,818.82 : x
  2. Step 2: Convert to fraction form
    30,247.30/41,740.32 = 16,818.82/x
  3. Step 3: Cross multiply
    30,247.30x = 41,740.32 × 16,818.82
  4. Step 4: Simplify right side
    30,247.30x = 702,022,928.82
  5. Step 5: Solve for x
    x = 702,022,928.82/30,247.30
  6. Step 6: Final answer
    x = 23,209.44

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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.