Home / 31,249.10-46,873.95-7,875.54

Finding the Fourth Proportional to 31,249.10, 46,873.95 and 7,875.54

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Solution

The fourth proportional to 31,249.10, 46,873.95 and 7,875.54 is: 11,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,249.10 : 46,873.95 = 7,875.54 : x
  2. Step 2: Convert to fraction form
    31,249.10/46,873.95 = 7,875.54/x
  3. Step 3: Cross multiply
    31,249.10x = 46,873.95 × 7,875.54
  4. Step 4: Simplify right side
    31,249.10x = 369,157,617.21
  5. Step 5: Solve for x
    x = 369,157,617.21/31,249.10
  6. Step 6: Final answer
    x = 11,813.38

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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.