Home / 31,005.58-46,481.01-11,280.70

Finding the Fourth Proportional to 31,005.58, 46,481.01 and 11,280.70

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Solution

The fourth proportional to 31,005.58, 46,481.01 and 11,280.70 is: 16,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005.58 : 46,481.01 = 11,280.70 : x
  2. Step 2: Convert to fraction form
    31,005.58/46,481.01 = 11,280.70/x
  3. Step 3: Cross multiply
    31,005.58x = 46,481.01 × 11,280.70
  4. Step 4: Simplify right side
    31,005.58x = 524,338,329.51
  5. Step 5: Solve for x
    x = 524,338,329.51/31,005.58
  6. Step 6: Final answer
    x = 16,911.10

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1.5x scale

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.