Home / 35,742.75-53,617.77-12,369.12

Finding the Fourth Proportional to 35,742.75, 53,617.77 and 12,369.12

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Solution

The fourth proportional to 35,742.75, 53,617.77 and 12,369.12 is: 18,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.75 : 53,617.77 = 12,369.12 : x
  2. Step 2: Convert to fraction form
    35,742.75/53,617.77 = 12,369.12/x
  3. Step 3: Cross multiply
    35,742.75x = 53,617.77 × 12,369.12
  4. Step 4: Simplify right side
    35,742.75x = 663,204,631.26
  5. Step 5: Solve for x
    x = 663,204,631.26/35,742.75
  6. Step 6: Final answer
    x = 18,554.94

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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.