Home / 54,603.45-81,916.87-30,922.19

Finding the Fourth Proportional to 54,603.45, 81,916.87 and 30,922.19

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Solution

The fourth proportional to 54,603.45, 81,916.87 and 30,922.19 is: 46,389.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,603.45 : 81,916.87 = 30,922.19 : x
  2. Step 2: Convert to fraction form
    54,603.45/81,916.87 = 30,922.19/x
  3. Step 3: Cross multiply
    54,603.45x = 81,916.87 × 30,922.19
  4. Step 4: Simplify right side
    54,603.45x = 2,533,048,627.07
  5. Step 5: Solve for x
    x = 2,533,048,627.07/54,603.45
  6. Step 6: Final answer
    x = 46,389.90

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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.