Home / 31,223.34-46,775.79-18,546.30

Finding the Fourth Proportional to 31,223.34, 46,775.79 and 18,546.30

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Solution

The fourth proportional to 31,223.34, 46,775.79 and 18,546.30 is: 27,784.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,223.34 : 46,775.79 = 18,546.30 : x
  2. Step 2: Convert to fraction form
    31,223.34/46,775.79 = 18,546.30/x
  3. Step 3: Cross multiply
    31,223.34x = 46,775.79 × 18,546.30
  4. Step 4: Simplify right side
    31,223.34x = 867,517,834.08
  5. Step 5: Solve for x
    x = 867,517,834.08/31,223.34
  6. Step 6: Final answer
    x = 27,784.27

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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.