Home / 31,508.98-47,257.97-11,783.46

Finding the Fourth Proportional to 31,508.98, 47,257.97 and 11,783.46

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Solution

The fourth proportional to 31,508.98, 47,257.97 and 11,783.46 is: 17,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.98 : 47,257.97 = 11,783.46 : x
  2. Step 2: Convert to fraction form
    31,508.98/47,257.97 = 11,783.46/x
  3. Step 3: Cross multiply
    31,508.98x = 47,257.97 × 11,783.46
  4. Step 4: Simplify right side
    31,508.98x = 556,862,399.18
  5. Step 5: Solve for x
    x = 556,862,399.18/31,508.98
  6. Step 6: Final answer
    x = 17,673.13

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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.