Home / 31,009.40-46,533.90-11,286.20

Finding the Fourth Proportional to 31,009.40, 46,533.90 and 11,286.20

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Solution

The fourth proportional to 31,009.40, 46,533.90 and 11,286.20 is: 16,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,009.40 : 46,533.90 = 11,286.20 : x
  2. Step 2: Convert to fraction form
    31,009.40/46,533.90 = 11,286.20/x
  3. Step 3: Cross multiply
    31,009.40x = 46,533.90 × 11,286.20
  4. Step 4: Simplify right side
    31,009.40x = 525,190,902.18
  5. Step 5: Solve for x
    x = 525,190,902.18/31,009.40
  6. Step 6: Final answer
    x = 16,936.51

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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.