Home / 30,914.53-46,340.64-12,187.32

Finding the Fourth Proportional to 30,914.53, 46,340.64 and 12,187.32

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Solution

The fourth proportional to 30,914.53, 46,340.64 and 12,187.32 is: 18,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.53 : 46,340.64 = 12,187.32 : x
  2. Step 2: Convert to fraction form
    30,914.53/46,340.64 = 12,187.32/x
  3. Step 3: Cross multiply
    30,914.53x = 46,340.64 × 12,187.32
  4. Step 4: Simplify right side
    30,914.53x = 564,768,208.68
  5. Step 5: Solve for x
    x = 564,768,208.68/30,914.53
  6. Step 6: Final answer
    x = 18,268.70

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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.