Home / 35,757.28-53,623.77-12,378.25

Finding the Fourth Proportional to 35,757.28, 53,623.77 and 12,378.25

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Solution

The fourth proportional to 35,757.28, 53,623.77 and 12,378.25 is: 18,563.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.28 : 53,623.77 = 12,378.25 : x
  2. Step 2: Convert to fraction form
    35,757.28/53,623.77 = 12,378.25/x
  3. Step 3: Cross multiply
    35,757.28x = 53,623.77 × 12,378.25
  4. Step 4: Simplify right side
    35,757.28x = 663,768,431.00
  5. Step 5: Solve for x
    x = 663,768,431.00/35,757.28
  6. Step 6: Final answer
    x = 18,563.17

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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.