Home / 31,370.68-47,052.40-11,649.64

Finding the Fourth Proportional to 31,370.68, 47,052.40 and 11,649.64

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Solution

The fourth proportional to 31,370.68, 47,052.40 and 11,649.64 is: 17,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,370.68 : 47,052.40 = 11,649.64 : x
  2. Step 2: Convert to fraction form
    31,370.68/47,052.40 = 11,649.64/x
  3. Step 3: Cross multiply
    31,370.68x = 47,052.40 × 11,649.64
  4. Step 4: Simplify right side
    31,370.68x = 548,143,521.14
  5. Step 5: Solve for x
    x = 548,143,521.14/31,370.68
  6. Step 6: Final answer
    x = 17,473.12

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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.