Home / 36,785.40-50,765.52-21,678.69

Finding the Fourth Proportional to 36,785.40, 50,765.52 and 21,678.69

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Solution

The fourth proportional to 36,785.40, 50,765.52 and 21,678.69 is: 29,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,785.40 : 50,765.52 = 21,678.69 : x
  2. Step 2: Convert to fraction form
    36,785.40/50,765.52 = 21,678.69/x
  3. Step 3: Cross multiply
    36,785.40x = 50,765.52 × 21,678.69
  4. Step 4: Simplify right side
    36,785.40x = 1,100,529,970.77
  5. Step 5: Solve for x
    x = 1,100,529,970.77/36,785.40
  6. Step 6: Final answer
    x = 29,917.58

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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.