Home / 31,086-46,636.32-10,309.56

Finding the Fourth Proportional to 31,086, 46,636.32 and 10,309.56

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Solution

The fourth proportional to 31,086, 46,636.32 and 10,309.56 is: 15,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,086 : 46,636.32 = 10,309.56 : x
  2. Step 2: Convert to fraction form
    31,086/46,636.32 = 10,309.56/x
  3. Step 3: Cross multiply
    31,086x = 46,636.32 × 10,309.56
  4. Step 4: Simplify right side
    31,086x = 480,799,939.22
  5. Step 5: Solve for x
    x = 480,799,939.22/31,086
  6. Step 6: Final answer
    x = 15,466.77

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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.