Home / 54,813.53-75,642.71-30,940.26

Finding the Fourth Proportional to 54,813.53, 75,642.71 and 30,940.26

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Solution

The fourth proportional to 54,813.53, 75,642.71 and 30,940.26 is: 42,697.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,813.53 : 75,642.71 = 30,940.26 : x
  2. Step 2: Convert to fraction form
    54,813.53/75,642.71 = 30,940.26/x
  3. Step 3: Cross multiply
    54,813.53x = 75,642.71 × 30,940.26
  4. Step 4: Simplify right side
    54,813.53x = 2,340,404,959.80
  5. Step 5: Solve for x
    x = 2,340,404,959.80/54,813.53
  6. Step 6: Final answer
    x = 42,697.58

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1.5x scale

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.