Home / 30,395.36-41,942.16-17,644.64

Finding the Fourth Proportional to 30,395.36, 41,942.16 and 17,644.64

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Solution

The fourth proportional to 30,395.36, 41,942.16 and 17,644.64 is: 24,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.36 : 41,942.16 = 17,644.64 : x
  2. Step 2: Convert to fraction form
    30,395.36/41,942.16 = 17,644.64/x
  3. Step 3: Cross multiply
    30,395.36x = 41,942.16 × 17,644.64
  4. Step 4: Simplify right side
    30,395.36x = 740,054,314.02
  5. Step 5: Solve for x
    x = 740,054,314.02/30,395.36
  6. Step 6: Final answer
    x = 24,347.61

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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.