Home / 31,673.05-43,701.87-18,924.32

Finding the Fourth Proportional to 31,673.05, 43,701.87 and 18,924.32

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Solution

The fourth proportional to 31,673.05, 43,701.87 and 18,924.32 is: 26,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,673.05 : 43,701.87 = 18,924.32 : x
  2. Step 2: Convert to fraction form
    31,673.05/43,701.87 = 18,924.32/x
  3. Step 3: Cross multiply
    31,673.05x = 43,701.87 × 18,924.32
  4. Step 4: Simplify right side
    31,673.05x = 827,028,172.48
  5. Step 5: Solve for x
    x = 827,028,172.48/31,673.05
  6. Step 6: Final answer
    x = 26,111.42

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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.