Home / 31,107.48-46,643.90-18,462.38

Finding the Fourth Proportional to 31,107.48, 46,643.90 and 18,462.38

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Solution

The fourth proportional to 31,107.48, 46,643.90 and 18,462.38 is: 27,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.48 : 46,643.90 = 18,462.38 : x
  2. Step 2: Convert to fraction form
    31,107.48/46,643.90 = 18,462.38/x
  3. Step 3: Cross multiply
    31,107.48x = 46,643.90 × 18,462.38
  4. Step 4: Simplify right side
    31,107.48x = 861,157,080.95
  5. Step 5: Solve for x
    x = 861,157,080.95/31,107.48
  6. Step 6: Final answer
    x = 27,683.28

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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.