Home / 30,683.19-45,977.61-18,178.34

Finding the Fourth Proportional to 30,683.19, 45,977.61 and 18,178.34

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Solution

The fourth proportional to 30,683.19, 45,977.61 and 18,178.34 is: 27,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.19 : 45,977.61 = 18,178.34 : x
  2. Step 2: Convert to fraction form
    30,683.19/45,977.61 = 18,178.34/x
  3. Step 3: Cross multiply
    30,683.19x = 45,977.61 × 18,178.34
  4. Step 4: Simplify right side
    30,683.19x = 835,796,626.97
  5. Step 5: Solve for x
    x = 835,796,626.97/30,683.19
  6. Step 6: Final answer
    x = 27,239.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.