Home / 31,747.43-47,579.35-17,714.06

Finding the Fourth Proportional to 31,747.43, 47,579.35 and 17,714.06

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Solution

The fourth proportional to 31,747.43, 47,579.35 and 17,714.06 is: 26,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747.43 : 47,579.35 = 17,714.06 : x
  2. Step 2: Convert to fraction form
    31,747.43/47,579.35 = 17,714.06/x
  3. Step 3: Cross multiply
    31,747.43x = 47,579.35 × 17,714.06
  4. Step 4: Simplify right side
    31,747.43x = 842,823,267.05
  5. Step 5: Solve for x
    x = 842,823,267.05/31,747.43
  6. Step 6: Final answer
    x = 26,547.77

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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.