Home / 54,279.33-74,905.04-30,406.23

Finding the Fourth Proportional to 54,279.33, 74,905.04 and 30,406.23

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Solution

The fourth proportional to 54,279.33, 74,905.04 and 30,406.23 is: 41,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,279.33 : 74,905.04 = 30,406.23 : x
  2. Step 2: Convert to fraction form
    54,279.33/74,905.04 = 30,406.23/x
  3. Step 3: Cross multiply
    54,279.33x = 74,905.04 × 30,406.23
  4. Step 4: Simplify right side
    54,279.33x = 2,277,579,722.37
  5. Step 5: Solve for x
    x = 2,277,579,722.37/54,279.33
  6. Step 6: Final answer
    x = 41,960.35

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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.