Home / 30,189.44-45,285.60-16,143.68

Finding the Fourth Proportional to 30,189.44, 45,285.60 and 16,143.68

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Solution

The fourth proportional to 30,189.44, 45,285.60 and 16,143.68 is: 24,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.44 : 45,285.60 = 16,143.68 : x
  2. Step 2: Convert to fraction form
    30,189.44/45,285.60 = 16,143.68/x
  3. Step 3: Cross multiply
    30,189.44x = 45,285.60 × 16,143.68
  4. Step 4: Simplify right side
    30,189.44x = 731,076,235.01
  5. Step 5: Solve for x
    x = 731,076,235.01/30,189.44
  6. Step 6: Final answer
    x = 24,216.29

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Double scale
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Similar ratio
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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.