Home / 43,633.26-65,423.64-19,613.16

Finding the Fourth Proportional to 43,633.26, 65,423.64 and 19,613.16

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Solution

The fourth proportional to 43,633.26, 65,423.64 and 19,613.16 is: 29,407.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,633.26 : 65,423.64 = 19,613.16 : x
  2. Step 2: Convert to fraction form
    43,633.26/65,423.64 = 19,613.16/x
  3. Step 3: Cross multiply
    43,633.26x = 65,423.64 × 19,613.16
  4. Step 4: Simplify right side
    43,633.26x = 1,283,164,319.10
  5. Step 5: Solve for x
    x = 1,283,164,319.10/43,633.26
  6. Step 6: Final answer
    x = 29,407.94

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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.