Home / 45,217.50-67,826.25-17,515.50

Finding the Fourth Proportional to 45,217.50, 67,826.25 and 17,515.50

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Solution

The fourth proportional to 45,217.50, 67,826.25 and 17,515.50 is: 26,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,217.50 : 67,826.25 = 17,515.50 : x
  2. Step 2: Convert to fraction form
    45,217.50/67,826.25 = 17,515.50/x
  3. Step 3: Cross multiply
    45,217.50x = 67,826.25 × 17,515.50
  4. Step 4: Simplify right side
    45,217.50x = 1,188,010,681.88
  5. Step 5: Solve for x
    x = 1,188,010,681.88/45,217.50
  6. Step 6: Final answer
    x = 26,273.25

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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.