Home / 30,252.11-41,741.93-18,316.55

Finding the Fourth Proportional to 30,252.11, 41,741.93 and 18,316.55

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Solution

The fourth proportional to 30,252.11, 41,741.93 and 18,316.55 is: 25,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.11 : 41,741.93 = 18,316.55 : x
  2. Step 2: Convert to fraction form
    30,252.11/41,741.93 = 18,316.55/x
  3. Step 3: Cross multiply
    30,252.11x = 41,741.93 × 18,316.55
  4. Step 4: Simplify right side
    30,252.11x = 764,567,847.65
  5. Step 5: Solve for x
    x = 764,567,847.65/30,252.11
  6. Step 6: Final answer
    x = 25,273.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.