Home / 31,678.86-43,717.41-17,533.02

Finding the Fourth Proportional to 31,678.86, 43,717.41 and 17,533.02

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Solution

The fourth proportional to 31,678.86, 43,717.41 and 17,533.02 is: 24,195.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,678.86 : 43,717.41 = 17,533.02 : x
  2. Step 2: Convert to fraction form
    31,678.86/43,717.41 = 17,533.02/x
  3. Step 3: Cross multiply
    31,678.86x = 43,717.41 × 17,533.02
  4. Step 4: Simplify right side
    31,678.86x = 766,498,223.88
  5. Step 5: Solve for x
    x = 766,498,223.88/31,678.86
  6. Step 6: Final answer
    x = 24,195.89

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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.