Home / 50,298.70-75,448.03-12,858.85

Finding the Fourth Proportional to 50,298.70, 75,448.03 and 12,858.85

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Solution

The fourth proportional to 50,298.70, 75,448.03 and 12,858.85 is: 19,288.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,298.70 : 75,448.03 = 12,858.85 : x
  2. Step 2: Convert to fraction form
    50,298.70/75,448.03 = 12,858.85/x
  3. Step 3: Cross multiply
    50,298.70x = 75,448.03 × 12,858.85
  4. Step 4: Simplify right side
    50,298.70x = 970,174,900.57
  5. Step 5: Solve for x
    x = 970,174,900.57/50,298.70
  6. Step 6: Final answer
    x = 19,288.27

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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.