Home / 31,783.04-47,623.83-25,831.09

Finding the Fourth Proportional to 31,783.04, 47,623.83 and 25,831.09

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Solution

The fourth proportional to 31,783.04, 47,623.83 and 25,831.09 is: 38,705.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,783.04 : 47,623.83 = 25,831.09 : x
  2. Step 2: Convert to fraction form
    31,783.04/47,623.83 = 25,831.09/x
  3. Step 3: Cross multiply
    31,783.04x = 47,623.83 × 25,831.09
  4. Step 4: Simplify right side
    31,783.04x = 1,230,175,438.87
  5. Step 5: Solve for x
    x = 1,230,175,438.87/31,783.04
  6. Step 6: Final answer
    x = 38,705.41

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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.