Home / 31,302.74-46,961.76-9,116.34

Finding the Fourth Proportional to 31,302.74, 46,961.76 and 9,116.34

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Solution

The fourth proportional to 31,302.74, 46,961.76 and 9,116.34 is: 13,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.74 : 46,961.76 = 9,116.34 : x
  2. Step 2: Convert to fraction form
    31,302.74/46,961.76 = 9,116.34/x
  3. Step 3: Cross multiply
    31,302.74x = 46,961.76 × 9,116.34
  4. Step 4: Simplify right side
    31,302.74x = 428,119,371.16
  5. Step 5: Solve for x
    x = 428,119,371.16/31,302.74
  6. Step 6: Final answer
    x = 13,676.74

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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.