Home / 45,014.89-67,515.25-28,323.83

Finding the Fourth Proportional to 45,014.89, 67,515.25 and 28,323.83

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Solution

The fourth proportional to 45,014.89, 67,515.25 and 28,323.83 is: 42,481.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,014.89 : 67,515.25 = 28,323.83 : x
  2. Step 2: Convert to fraction form
    45,014.89/67,515.25 = 28,323.83/x
  3. Step 3: Cross multiply
    45,014.89x = 67,515.25 × 28,323.83
  4. Step 4: Simplify right side
    45,014.89x = 1,912,290,463.41
  5. Step 5: Solve for x
    x = 1,912,290,463.41/45,014.89
  6. Step 6: Final answer
    x = 42,481.29

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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.