Home / 39,450.42-54,405.52-30,837.75

Finding the Fourth Proportional to 39,450.42, 54,405.52 and 30,837.75

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Solution

The fourth proportional to 39,450.42, 54,405.52 and 30,837.75 is: 42,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,450.42 : 54,405.52 = 30,837.75 : x
  2. Step 2: Convert to fraction form
    39,450.42/54,405.52 = 30,837.75/x
  3. Step 3: Cross multiply
    39,450.42x = 54,405.52 × 30,837.75
  4. Step 4: Simplify right side
    39,450.42x = 1,677,743,824.38
  5. Step 5: Solve for x
    x = 1,677,743,824.38/39,450.42
  6. Step 6: Final answer
    x = 42,527.91

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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.