Home / 54,103.47-74,661.39-30,230.33

Finding the Fourth Proportional to 54,103.47, 74,661.39 and 30,230.33

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Solution

The fourth proportional to 54,103.47, 74,661.39 and 30,230.33 is: 41,717.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.47 : 74,661.39 = 30,230.33 : x
  2. Step 2: Convert to fraction form
    54,103.47/74,661.39 = 30,230.33/x
  3. Step 3: Cross multiply
    54,103.47x = 74,661.39 × 30,230.33
  4. Step 4: Simplify right side
    54,103.47x = 2,257,038,084.65
  5. Step 5: Solve for x
    x = 2,257,038,084.65/54,103.47
  6. Step 6: Final answer
    x = 41,717.07

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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.