Home / 38,311.20-57,466.86-12,017.96

Finding the Fourth Proportional to 38,311.20, 57,466.86 and 12,017.96

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Solution

The fourth proportional to 38,311.20, 57,466.86 and 12,017.96 is: 18,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.20 : 57,466.86 = 12,017.96 : x
  2. Step 2: Convert to fraction form
    38,311.20/57,466.86 = 12,017.96/x
  3. Step 3: Cross multiply
    38,311.20x = 57,466.86 × 12,017.96
  4. Step 4: Simplify right side
    38,311.20x = 690,634,424.81
  5. Step 5: Solve for x
    x = 690,634,424.81/38,311.20
  6. Step 6: Final answer
    x = 18,026.96

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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.