Home / 46,198.81-69,302.59-12,918.87

Finding the Fourth Proportional to 46,198.81, 69,302.59 and 12,918.87

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Solution

The fourth proportional to 46,198.81, 69,302.59 and 12,918.87 is: 19,379.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,198.81 : 69,302.59 = 12,918.87 : x
  2. Step 2: Convert to fraction form
    46,198.81/69,302.59 = 12,918.87/x
  3. Step 3: Cross multiply
    46,198.81x = 69,302.59 × 12,918.87
  4. Step 4: Simplify right side
    46,198.81x = 895,311,150.87
  5. Step 5: Solve for x
    x = 895,311,150.87/46,198.81
  6. Step 6: Final answer
    x = 19,379.53

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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.