Home / 30,330.37-41,856-17,586.05

Finding the Fourth Proportional to 30,330.37, 41,856 and 17,586.05

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Solution

The fourth proportional to 30,330.37, 41,856 and 17,586.05 is: 24,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.37 : 41,856 = 17,586.05 : x
  2. Step 2: Convert to fraction form
    30,330.37/41,856 = 17,586.05/x
  3. Step 3: Cross multiply
    30,330.37x = 41,856 × 17,586.05
  4. Step 4: Simplify right side
    30,330.37x = 736,081,708.80
  5. Step 5: Solve for x
    x = 736,081,708.80/30,330.37
  6. Step 6: Final answer
    x = 24,268.80

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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.