Home / 30,844.69-42,558.01-18,099.07

Finding the Fourth Proportional to 30,844.69, 42,558.01 and 18,099.07

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Solution

The fourth proportional to 30,844.69, 42,558.01 and 18,099.07 is: 24,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,844.69 : 42,558.01 = 18,099.07 : x
  2. Step 2: Convert to fraction form
    30,844.69/42,558.01 = 18,099.07/x
  3. Step 3: Cross multiply
    30,844.69x = 42,558.01 × 18,099.07
  4. Step 4: Simplify right side
    30,844.69x = 770,260,402.05
  5. Step 5: Solve for x
    x = 770,260,402.05/30,844.69
  6. Step 6: Final answer
    x = 24,972.22

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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.