Home / 31,299.58-46,961.37-12,585.00

Finding the Fourth Proportional to 31,299.58, 46,961.37 and 12,585.00

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Solution

The fourth proportional to 31,299.58, 46,961.37 and 12,585.00 is: 18,882.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.58 : 46,961.37 = 12,585.00 : x
  2. Step 2: Convert to fraction form
    31,299.58/46,961.37 = 12,585.00/x
  3. Step 3: Cross multiply
    31,299.58x = 46,961.37 × 12,585.00
  4. Step 4: Simplify right side
    31,299.58x = 591,009,017.56
  5. Step 5: Solve for x
    x = 591,009,017.56/31,299.58
  6. Step 6: Final answer
    x = 18,882.33

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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.