Home / 31,288.10-46,932.12-12,568.12

Finding the Fourth Proportional to 31,288.10, 46,932.12 and 12,568.12

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Solution

The fourth proportional to 31,288.10, 46,932.12 and 12,568.12 is: 18,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,288.10 : 46,932.12 = 12,568.12 : x
  2. Step 2: Convert to fraction form
    31,288.10/46,932.12 = 12,568.12/x
  3. Step 3: Cross multiply
    31,288.10x = 46,932.12 × 12,568.12
  4. Step 4: Simplify right side
    31,288.10x = 589,848,398.68
  5. Step 5: Solve for x
    x = 589,848,398.68/31,288.10
  6. Step 6: Final answer
    x = 18,852.17

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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.