Home / 30,069.75-45,104.81-7,882.93

Finding the Fourth Proportional to 30,069.75, 45,104.81 and 7,882.93

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Solution

The fourth proportional to 30,069.75, 45,104.81 and 7,882.93 is: 11,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.75 : 45,104.81 = 7,882.93 : x
  2. Step 2: Convert to fraction form
    30,069.75/45,104.81 = 7,882.93/x
  3. Step 3: Cross multiply
    30,069.75x = 45,104.81 × 7,882.93
  4. Step 4: Simplify right side
    30,069.75x = 355,557,867.49
  5. Step 5: Solve for x
    x = 355,557,867.49/30,069.75
  6. Step 6: Final answer
    x = 11,824.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.