Home / 30,246.60-41,748.48-18,909.24

Finding the Fourth Proportional to 30,246.60, 41,748.48 and 18,909.24

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Solution

The fourth proportional to 30,246.60, 41,748.48 and 18,909.24 is: 26,099.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.60 : 41,748.48 = 18,909.24 : x
  2. Step 2: Convert to fraction form
    30,246.60/41,748.48 = 18,909.24/x
  3. Step 3: Cross multiply
    30,246.60x = 41,748.48 × 18,909.24
  4. Step 4: Simplify right side
    30,246.60x = 789,432,027.96
  5. Step 5: Solve for x
    x = 789,432,027.96/30,246.60
  6. Step 6: Final answer
    x = 26,099.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.