Home / 40,344.10-60,516.58-12,268.72

Finding the Fourth Proportional to 40,344.10, 60,516.58 and 12,268.72

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Solution

The fourth proportional to 40,344.10, 60,516.58 and 12,268.72 is: 18,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,344.10 : 60,516.58 = 12,268.72 : x
  2. Step 2: Convert to fraction form
    40,344.10/60,516.58 = 12,268.72/x
  3. Step 3: Cross multiply
    40,344.10x = 60,516.58 × 12,268.72
  4. Step 4: Simplify right side
    40,344.10x = 742,460,975.38
  5. Step 5: Solve for x
    x = 742,460,975.38/40,344.10
  6. Step 6: Final answer
    x = 18,403.21

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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.