Home / 31,298.28-46,900.26-18,804.60

Finding the Fourth Proportional to 31,298.28, 46,900.26 and 18,804.60

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Solution

The fourth proportional to 31,298.28, 46,900.26 and 18,804.60 is: 28,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,298.28 : 46,900.26 = 18,804.60 : x
  2. Step 2: Convert to fraction form
    31,298.28/46,900.26 = 18,804.60/x
  3. Step 3: Cross multiply
    31,298.28x = 46,900.26 × 18,804.60
  4. Step 4: Simplify right side
    31,298.28x = 881,940,629.20
  5. Step 5: Solve for x
    x = 881,940,629.20/31,298.28
  6. Step 6: Final answer
    x = 28,178.57

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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.