Home / 51,018.13-70,440.06-31,906.18

Finding the Fourth Proportional to 51,018.13, 70,440.06 and 31,906.18

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Solution

The fourth proportional to 51,018.13, 70,440.06 and 31,906.18 is: 44,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.13 : 70,440.06 = 31,906.18 : x
  2. Step 2: Convert to fraction form
    51,018.13/70,440.06 = 31,906.18/x
  3. Step 3: Cross multiply
    51,018.13x = 70,440.06 × 31,906.18
  4. Step 4: Simplify right side
    51,018.13x = 2,247,473,233.57
  5. Step 5: Solve for x
    x = 2,247,473,233.57/51,018.13
  6. Step 6: Final answer
    x = 44,052.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.