Home / 46,419.81-69,572.49-18,311.59

Finding the Fourth Proportional to 46,419.81, 69,572.49 and 18,311.59

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Solution

The fourth proportional to 46,419.81, 69,572.49 and 18,311.59 is: 27,444.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,419.81 : 69,572.49 = 18,311.59 : x
  2. Step 2: Convert to fraction form
    46,419.81/69,572.49 = 18,311.59/x
  3. Step 3: Cross multiply
    46,419.81x = 69,572.49 × 18,311.59
  4. Step 4: Simplify right side
    46,419.81x = 1,273,982,912.16
  5. Step 5: Solve for x
    x = 1,273,982,912.16/46,419.81
  6. Step 6: Final answer
    x = 27,444.81

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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.