Home / 31,127.26-46,698.29-8,940.15

Finding the Fourth Proportional to 31,127.26, 46,698.29 and 8,940.15

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Solution

The fourth proportional to 31,127.26, 46,698.29 and 8,940.15 is: 13,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.26 : 46,698.29 = 8,940.15 : x
  2. Step 2: Convert to fraction form
    31,127.26/46,698.29 = 8,940.15/x
  3. Step 3: Cross multiply
    31,127.26x = 46,698.29 × 8,940.15
  4. Step 4: Simplify right side
    31,127.26x = 417,489,717.34
  5. Step 5: Solve for x
    x = 417,489,717.34/31,127.26
  6. Step 6: Final answer
    x = 13,412.35

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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.