Home / 30,996.12-46,487.19-8,809.01

Finding the Fourth Proportional to 30,996.12, 46,487.19 and 8,809.01

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Solution

The fourth proportional to 30,996.12, 46,487.19 and 8,809.01 is: 13,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,996.12 : 46,487.19 = 8,809.01 : x
  2. Step 2: Convert to fraction form
    30,996.12/46,487.19 = 8,809.01/x
  3. Step 3: Cross multiply
    30,996.12x = 46,487.19 × 8,809.01
  4. Step 4: Simplify right side
    30,996.12x = 409,505,889.15
  5. Step 5: Solve for x
    x = 409,505,889.15/30,996.12
  6. Step 6: Final answer
    x = 13,211.52

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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.