Home / 38,906.55-58,378.06-19,174.35

Finding the Fourth Proportional to 38,906.55, 58,378.06 and 19,174.35

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Solution

The fourth proportional to 38,906.55, 58,378.06 and 19,174.35 is: 28,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,906.55 : 58,378.06 = 19,174.35 : x
  2. Step 2: Convert to fraction form
    38,906.55/58,378.06 = 19,174.35/x
  3. Step 3: Cross multiply
    38,906.55x = 58,378.06 × 19,174.35
  4. Step 4: Simplify right side
    38,906.55x = 1,119,361,051.96
  5. Step 5: Solve for x
    x = 1,119,361,051.96/38,906.55
  6. Step 6: Final answer
    x = 28,770.50

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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.