Home / 43,536.48-65,316.60-12,372

Finding the Fourth Proportional to 43,536.48, 65,316.60 and 12,372

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Solution

The fourth proportional to 43,536.48, 65,316.60 and 12,372 is: 18,561.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,536.48 : 65,316.60 = 12,372 : x
  2. Step 2: Convert to fraction form
    43,536.48/65,316.60 = 12,372/x
  3. Step 3: Cross multiply
    43,536.48x = 65,316.60 × 12,372
  4. Step 4: Simplify right side
    43,536.48x = 808,096,975.20
  5. Step 5: Solve for x
    x = 808,096,975.20/43,536.48
  6. Step 6: Final answer
    x = 18,561.38

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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.