Home / 31,133.25-46,699.62-8,946.54

Finding the Fourth Proportional to 31,133.25, 46,699.62 and 8,946.54

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Solution

The fourth proportional to 31,133.25, 46,699.62 and 8,946.54 is: 13,419.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,133.25 : 46,699.62 = 8,946.54 : x
  2. Step 2: Convert to fraction form
    31,133.25/46,699.62 = 8,946.54/x
  3. Step 3: Cross multiply
    31,133.25x = 46,699.62 × 8,946.54
  4. Step 4: Simplify right side
    31,133.25x = 417,800,018.31
  5. Step 5: Solve for x
    x = 417,800,018.31/31,133.25
  6. Step 6: Final answer
    x = 13,419.74

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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.