Home / 30,723.96-46,080.36-8,531.76

Finding the Fourth Proportional to 30,723.96, 46,080.36 and 8,531.76

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Solution

The fourth proportional to 30,723.96, 46,080.36 and 8,531.76 is: 12,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.96 : 46,080.36 = 8,531.76 : x
  2. Step 2: Convert to fraction form
    30,723.96/46,080.36 = 8,531.76/x
  3. Step 3: Cross multiply
    30,723.96x = 46,080.36 × 8,531.76
  4. Step 4: Simplify right side
    30,723.96x = 393,146,572.23
  5. Step 5: Solve for x
    x = 393,146,572.23/30,723.96
  6. Step 6: Final answer
    x = 12,796.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.