Home / 30,236.28-41,721.48-16,807.64

Finding the Fourth Proportional to 30,236.28, 41,721.48 and 16,807.64

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Solution

The fourth proportional to 30,236.28, 41,721.48 and 16,807.64 is: 23,191.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.28 : 41,721.48 = 16,807.64 : x
  2. Step 2: Convert to fraction form
    30,236.28/41,721.48 = 16,807.64/x
  3. Step 3: Cross multiply
    30,236.28x = 41,721.48 × 16,807.64
  4. Step 4: Simplify right side
    30,236.28x = 701,239,616.11
  5. Step 5: Solve for x
    x = 701,239,616.11/30,236.28
  6. Step 6: Final answer
    x = 23,191.99

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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.