Home / 30,806.28-45,986.58-27,069.60

Finding the Fourth Proportional to 30,806.28, 45,986.58 and 27,069.60

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Solution

The fourth proportional to 30,806.28, 45,986.58 and 27,069.60 is: 40,408.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.28 : 45,986.58 = 27,069.60 : x
  2. Step 2: Convert to fraction form
    30,806.28/45,986.58 = 27,069.60/x
  3. Step 3: Cross multiply
    30,806.28x = 45,986.58 × 27,069.60
  4. Step 4: Simplify right side
    30,806.28x = 1,244,838,325.97
  5. Step 5: Solve for x
    x = 1,244,838,325.97/30,806.28
  6. Step 6: Final answer
    x = 40,408.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.