Home / 31,047.72-46,543.49-11,321.66

Finding the Fourth Proportional to 31,047.72, 46,543.49 and 11,321.66

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Solution

The fourth proportional to 31,047.72, 46,543.49 and 11,321.66 is: 16,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.72 : 46,543.49 = 11,321.66 : x
  2. Step 2: Convert to fraction form
    31,047.72/46,543.49 = 11,321.66/x
  3. Step 3: Cross multiply
    31,047.72x = 46,543.49 × 11,321.66
  4. Step 4: Simplify right side
    31,047.72x = 526,949,568.99
  5. Step 5: Solve for x
    x = 526,949,568.99/31,047.72
  6. Step 6: Final answer
    x = 16,972.25

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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.