Home / 31,358.62-43,272.03-17,929.45

Finding the Fourth Proportional to 31,358.62, 43,272.03 and 17,929.45

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Solution

The fourth proportional to 31,358.62, 43,272.03 and 17,929.45 is: 24,741.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,358.62 : 43,272.03 = 17,929.45 : x
  2. Step 2: Convert to fraction form
    31,358.62/43,272.03 = 17,929.45/x
  3. Step 3: Cross multiply
    31,358.62x = 43,272.03 × 17,929.45
  4. Step 4: Simplify right side
    31,358.62x = 775,843,698.28
  5. Step 5: Solve for x
    x = 775,843,698.28/31,358.62
  6. Step 6: Final answer
    x = 24,741.00

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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.