Home / 31,683.03-43,727.49-18,071.10

Finding the Fourth Proportional to 31,683.03, 43,727.49 and 18,071.10

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Solution

The fourth proportional to 31,683.03, 43,727.49 and 18,071.10 is: 24,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.03 : 43,727.49 = 18,071.10 : x
  2. Step 2: Convert to fraction form
    31,683.03/43,727.49 = 18,071.10/x
  3. Step 3: Cross multiply
    31,683.03x = 43,727.49 × 18,071.10
  4. Step 4: Simplify right side
    31,683.03x = 790,203,844.54
  5. Step 5: Solve for x
    x = 790,203,844.54/31,683.03
  6. Step 6: Final answer
    x = 24,940.92

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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.