Home / 30,837.40-46,266.90-11,116.60

Finding the Fourth Proportional to 30,837.40, 46,266.90 and 11,116.60

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Solution

The fourth proportional to 30,837.40, 46,266.90 and 11,116.60 is: 16,678.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,837.40 : 46,266.90 = 11,116.60 : x
  2. Step 2: Convert to fraction form
    30,837.40/46,266.90 = 11,116.60/x
  3. Step 3: Cross multiply
    30,837.40x = 46,266.90 × 11,116.60
  4. Step 4: Simplify right side
    30,837.40x = 514,330,620.54
  5. Step 5: Solve for x
    x = 514,330,620.54/30,837.40
  6. Step 6: Final answer
    x = 16,678.79

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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.