Home / 35,913.87-53,855.16-12,214.99

Finding the Fourth Proportional to 35,913.87, 53,855.16 and 12,214.99

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Solution

The fourth proportional to 35,913.87, 53,855.16 and 12,214.99 is: 18,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,913.87 : 53,855.16 = 12,214.99 : x
  2. Step 2: Convert to fraction form
    35,913.87/53,855.16 = 12,214.99/x
  3. Step 3: Cross multiply
    35,913.87x = 53,855.16 × 12,214.99
  4. Step 4: Simplify right side
    35,913.87x = 657,840,240.85
  5. Step 5: Solve for x
    x = 657,840,240.85/35,913.87
  6. Step 6: Final answer
    x = 18,317.16

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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.