Home / 31,460.94-47,199.64-11,739.67

Finding the Fourth Proportional to 31,460.94, 47,199.64 and 11,739.67

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Solution

The fourth proportional to 31,460.94, 47,199.64 and 11,739.67 is: 17,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,460.94 : 47,199.64 = 11,739.67 : x
  2. Step 2: Convert to fraction form
    31,460.94/47,199.64 = 11,739.67/x
  3. Step 3: Cross multiply
    31,460.94x = 47,199.64 × 11,739.67
  4. Step 4: Simplify right side
    31,460.94x = 554,108,197.72
  5. Step 5: Solve for x
    x = 554,108,197.72/31,460.94
  6. Step 6: Final answer
    x = 17,612.58

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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.