Home / 51,018.36-70,401.66-31,906.71

Finding the Fourth Proportional to 51,018.36, 70,401.66 and 31,906.71

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Solution

The fourth proportional to 51,018.36, 70,401.66 and 31,906.71 is: 44,028.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,018.36 : 70,401.66 = 31,906.71 : x
  2. Step 2: Convert to fraction form
    51,018.36/70,401.66 = 31,906.71/x
  3. Step 3: Cross multiply
    51,018.36x = 70,401.66 × 31,906.71
  4. Step 4: Simplify right side
    51,018.36x = 2,246,285,349.14
  5. Step 5: Solve for x
    x = 2,246,285,349.14/51,018.36
  6. Step 6: Final answer
    x = 44,028.96

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1.5x scale

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.