Home / 30,900.25-46,322.88-11,174.42

Finding the Fourth Proportional to 30,900.25, 46,322.88 and 11,174.42

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Solution

The fourth proportional to 30,900.25, 46,322.88 and 11,174.42 is: 16,751.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,900.25 : 46,322.88 = 11,174.42 : x
  2. Step 2: Convert to fraction form
    30,900.25/46,322.88 = 11,174.42/x
  3. Step 3: Cross multiply
    30,900.25x = 46,322.88 × 11,174.42
  4. Step 4: Simplify right side
    30,900.25x = 517,631,460.47
  5. Step 5: Solve for x
    x = 517,631,460.47/30,900.25
  6. Step 6: Final answer
    x = 16,751.69

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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.