Home / 30,786.01-46,103.42-19,659.85

Finding the Fourth Proportional to 30,786.01, 46,103.42 and 19,659.85

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Solution

The fourth proportional to 30,786.01, 46,103.42 and 19,659.85 is: 29,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.01 : 46,103.42 = 19,659.85 : x
  2. Step 2: Convert to fraction form
    30,786.01/46,103.42 = 19,659.85/x
  3. Step 3: Cross multiply
    30,786.01x = 46,103.42 × 19,659.85
  4. Step 4: Simplify right side
    30,786.01x = 906,386,223.39
  5. Step 5: Solve for x
    x = 906,386,223.39/30,786.01
  6. Step 6: Final answer
    x = 29,441.50

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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.