Home / 45,107.53-67,667.57-18,806.22

Finding the Fourth Proportional to 45,107.53, 67,667.57 and 18,806.22

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Solution

The fourth proportional to 45,107.53, 67,667.57 and 18,806.22 is: 28,211.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,107.53 : 67,667.57 = 18,806.22 : x
  2. Step 2: Convert to fraction form
    45,107.53/67,667.57 = 18,806.22/x
  3. Step 3: Cross multiply
    45,107.53x = 67,667.57 × 18,806.22
  4. Step 4: Simplify right side
    45,107.53x = 1,272,571,424.47
  5. Step 5: Solve for x
    x = 1,272,571,424.47/45,107.53
  6. Step 6: Final answer
    x = 28,211.95

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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.