Home / 31,802.07-47,704.11-15,998.47

Finding the Fourth Proportional to 31,802.07, 47,704.11 and 15,998.47

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Solution

The fourth proportional to 31,802.07, 47,704.11 and 15,998.47 is: 23,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,802.07 : 47,704.11 = 15,998.47 : x
  2. Step 2: Convert to fraction form
    31,802.07/47,704.11 = 15,998.47/x
  3. Step 3: Cross multiply
    31,802.07x = 47,704.11 × 15,998.47
  4. Step 4: Simplify right side
    31,802.07x = 763,192,772.71
  5. Step 5: Solve for x
    x = 763,192,772.71/31,802.07
  6. Step 6: Final answer
    x = 23,998.21

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1.5x scale

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.