Home / 49,422.96-74,163.60-18,280.08

Finding the Fourth Proportional to 49,422.96, 74,163.60 and 18,280.08

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Solution

The fourth proportional to 49,422.96, 74,163.60 and 18,280.08 is: 27,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422.96 : 74,163.60 = 18,280.08 : x
  2. Step 2: Convert to fraction form
    49,422.96/74,163.60 = 18,280.08/x
  3. Step 3: Cross multiply
    49,422.96x = 74,163.60 × 18,280.08
  4. Step 4: Simplify right side
    49,422.96x = 1,355,716,541.09
  5. Step 5: Solve for x
    x = 1,355,716,541.09/49,422.96
  6. Step 6: Final answer
    x = 27,430.91

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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.