Home / 45,346.92-67,907.25-28,656.60

Finding the Fourth Proportional to 45,346.92, 67,907.25 and 28,656.60

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Solution

The fourth proportional to 45,346.92, 67,907.25 and 28,656.60 is: 42,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,346.92 : 67,907.25 = 28,656.60 : x
  2. Step 2: Convert to fraction form
    45,346.92/67,907.25 = 28,656.60/x
  3. Step 3: Cross multiply
    45,346.92x = 67,907.25 × 28,656.60
  4. Step 4: Simplify right side
    45,346.92x = 1,945,990,900.35
  5. Step 5: Solve for x
    x = 1,945,990,900.35/45,346.92
  6. Step 6: Final answer
    x = 42,913.41

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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.