Home / 31,369.16-43,288.08-17,222.24

Finding the Fourth Proportional to 31,369.16, 43,288.08 and 17,222.24

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Solution

The fourth proportional to 31,369.16, 43,288.08 and 17,222.24 is: 23,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.16 : 43,288.08 = 17,222.24 : x
  2. Step 2: Convert to fraction form
    31,369.16/43,288.08 = 17,222.24/x
  3. Step 3: Cross multiply
    31,369.16x = 43,288.08 × 17,222.24
  4. Step 4: Simplify right side
    31,369.16x = 745,517,702.90
  5. Step 5: Solve for x
    x = 745,517,702.90/31,369.16
  6. Step 6: Final answer
    x = 23,765.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.