Home / 30,231.60-45,250.20-16,156.37

Finding the Fourth Proportional to 30,231.60, 45,250.20 and 16,156.37

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Solution

The fourth proportional to 30,231.60, 45,250.20 and 16,156.37 is: 24,182.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.60 : 45,250.20 = 16,156.37 : x
  2. Step 2: Convert to fraction form
    30,231.60/45,250.20 = 16,156.37/x
  3. Step 3: Cross multiply
    30,231.60x = 45,250.20 × 16,156.37
  4. Step 4: Simplify right side
    30,231.60x = 731,078,747.52
  5. Step 5: Solve for x
    x = 731,078,747.52/30,231.60
  6. Step 6: Final answer
    x = 24,182.60

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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.