Home / 38,797.55-58,164.92-12,129.81

Finding the Fourth Proportional to 38,797.55, 58,164.92 and 12,129.81

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Solution

The fourth proportional to 38,797.55, 58,164.92 and 12,129.81 is: 18,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,797.55 : 58,164.92 = 12,129.81 : x
  2. Step 2: Convert to fraction form
    38,797.55/58,164.92 = 12,129.81/x
  3. Step 3: Cross multiply
    38,797.55x = 58,164.92 × 12,129.81
  4. Step 4: Simplify right side
    38,797.55x = 705,529,194.98
  5. Step 5: Solve for x
    x = 705,529,194.98/38,797.55
  6. Step 6: Final answer
    x = 18,184.89

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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.