Home / 45,999.44-68,861.64-28,173.98

Finding the Fourth Proportional to 45,999.44, 68,861.64 and 28,173.98

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Solution

The fourth proportional to 45,999.44, 68,861.64 and 28,173.98 is: 42,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,999.44 : 68,861.64 = 28,173.98 : x
  2. Step 2: Convert to fraction form
    45,999.44/68,861.64 = 28,173.98/x
  3. Step 3: Cross multiply
    45,999.44x = 68,861.64 × 28,173.98
  4. Step 4: Simplify right side
    45,999.44x = 1,940,106,468.13
  5. Step 5: Solve for x
    x = 1,940,106,468.13/45,999.44
  6. Step 6: Final answer
    x = 42,176.74

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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.