Home / 54,019.29-74,537.72-30,145.92

Finding the Fourth Proportional to 54,019.29, 74,537.72 and 30,145.92

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Solution

The fourth proportional to 54,019.29, 74,537.72 and 30,145.92 is: 41,596.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,019.29 : 74,537.72 = 30,145.92 : x
  2. Step 2: Convert to fraction form
    54,019.29/74,537.72 = 30,145.92/x
  3. Step 3: Cross multiply
    54,019.29x = 74,537.72 × 30,145.92
  4. Step 4: Simplify right side
    54,019.29x = 2,247,007,993.37
  5. Step 5: Solve for x
    x = 2,247,007,993.37/54,019.29
  6. Step 6: Final answer
    x = 41,596.40

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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.