Home / 31,078.03-46,621.11-11,365.87

Finding the Fourth Proportional to 31,078.03, 46,621.11 and 11,365.87

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Solution

The fourth proportional to 31,078.03, 46,621.11 and 11,365.87 is: 17,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,078.03 : 46,621.11 = 11,365.87 : x
  2. Step 2: Convert to fraction form
    31,078.03/46,621.11 = 11,365.87/x
  3. Step 3: Cross multiply
    31,078.03x = 46,621.11 × 11,365.87
  4. Step 4: Simplify right side
    31,078.03x = 529,889,475.52
  5. Step 5: Solve for x
    x = 529,889,475.52/31,078.03
  6. Step 6: Final answer
    x = 17,050.29

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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.