Home / 54,985.10-75,880.32-29,834.60

Finding the Fourth Proportional to 54,985.10, 75,880.32 and 29,834.60

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Solution

The fourth proportional to 54,985.10, 75,880.32 and 29,834.60 is: 41,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,985.10 : 75,880.32 = 29,834.60 : x
  2. Step 2: Convert to fraction form
    54,985.10/75,880.32 = 29,834.60/x
  3. Step 3: Cross multiply
    54,985.10x = 75,880.32 × 29,834.60
  4. Step 4: Simplify right side
    54,985.10x = 2,263,858,995.07
  5. Step 5: Solve for x
    x = 2,263,858,995.07/54,985.10
  6. Step 6: Final answer
    x = 41,172.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.