Home / 54,281.33-74,907.79-30,408.23

Finding the Fourth Proportional to 54,281.33, 74,907.79 and 30,408.23

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Solution

The fourth proportional to 54,281.33, 74,907.79 and 30,408.23 is: 41,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.33 : 74,907.79 = 30,408.23 : x
  2. Step 2: Convert to fraction form
    54,281.33/74,907.79 = 30,408.23/x
  3. Step 3: Cross multiply
    54,281.33x = 74,907.79 × 30,408.23
  4. Step 4: Simplify right side
    54,281.33x = 2,277,813,307.11
  5. Step 5: Solve for x
    x = 2,277,813,307.11/54,281.33
  6. Step 6: Final answer
    x = 41,963.11

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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.