Home / 35,868.56-53,804.61-12,178.76

Finding the Fourth Proportional to 35,868.56, 53,804.61 and 12,178.76

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Solution

The fourth proportional to 35,868.56, 53,804.61 and 12,178.76 is: 18,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,868.56 : 53,804.61 = 12,178.76 : x
  2. Step 2: Convert to fraction form
    35,868.56/53,804.61 = 12,178.76/x
  3. Step 3: Cross multiply
    35,868.56x = 53,804.61 × 12,178.76
  4. Step 4: Simplify right side
    35,868.56x = 655,273,163.06
  5. Step 5: Solve for x
    x = 655,273,163.06/35,868.56
  6. Step 6: Final answer
    x = 18,268.74

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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.