Home / 30,893.18-46,338.68-13,112.42

Finding the Fourth Proportional to 30,893.18, 46,338.68 and 13,112.42

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Solution

The fourth proportional to 30,893.18, 46,338.68 and 13,112.42 is: 19,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,893.18 : 46,338.68 = 13,112.42 : x
  2. Step 2: Convert to fraction form
    30,893.18/46,338.68 = 13,112.42/x
  3. Step 3: Cross multiply
    30,893.18x = 46,338.68 × 13,112.42
  4. Step 4: Simplify right side
    30,893.18x = 607,612,035.49
  5. Step 5: Solve for x
    x = 607,612,035.49/30,893.18
  6. Step 6: Final answer
    x = 19,668.16

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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.