Home / 31,668.16-47,495.95-9,181.48

Finding the Fourth Proportional to 31,668.16, 47,495.95 and 9,181.48

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Solution

The fourth proportional to 31,668.16, 47,495.95 and 9,181.48 is: 13,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,668.16 : 47,495.95 = 9,181.48 : x
  2. Step 2: Convert to fraction form
    31,668.16/47,495.95 = 9,181.48/x
  3. Step 3: Cross multiply
    31,668.16x = 47,495.95 × 9,181.48
  4. Step 4: Simplify right side
    31,668.16x = 436,083,115.01
  5. Step 5: Solve for x
    x = 436,083,115.01/31,668.16
  6. Step 6: Final answer
    x = 13,770.40

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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.