Home / 50,497.70-75,749.65-20,917.85

Finding the Fourth Proportional to 50,497.70, 75,749.65 and 20,917.85

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Solution

The fourth proportional to 50,497.70, 75,749.65 and 20,917.85 is: 31,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,497.70 : 75,749.65 = 20,917.85 : x
  2. Step 2: Convert to fraction form
    50,497.70/75,749.65 = 20,917.85/x
  3. Step 3: Cross multiply
    50,497.70x = 75,749.65 × 20,917.85
  4. Step 4: Simplify right side
    50,497.70x = 1,584,519,385.21
  5. Step 5: Solve for x
    x = 1,584,519,385.21/50,497.70
  6. Step 6: Final answer
    x = 31,378.05

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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.