Home / 31,218.93-43,082.16-20,060.37

Finding the Fourth Proportional to 31,218.93, 43,082.16 and 20,060.37

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Solution

The fourth proportional to 31,218.93, 43,082.16 and 20,060.37 is: 27,683.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,218.93 : 43,082.16 = 20,060.37 : x
  2. Step 2: Convert to fraction form
    31,218.93/43,082.16 = 20,060.37/x
  3. Step 3: Cross multiply
    31,218.93x = 43,082.16 × 20,060.37
  4. Step 4: Simplify right side
    31,218.93x = 864,244,070.00
  5. Step 5: Solve for x
    x = 864,244,070.00/31,218.93
  6. Step 6: Final answer
    x = 27,683.33

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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.