Home / 30,571.74-45,843.39-17,925.30

Finding the Fourth Proportional to 30,571.74, 45,843.39 and 17,925.30

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Solution

The fourth proportional to 30,571.74, 45,843.39 and 17,925.30 is: 26,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,571.74 : 45,843.39 = 17,925.30 : x
  2. Step 2: Convert to fraction form
    30,571.74/45,843.39 = 17,925.30/x
  3. Step 3: Cross multiply
    30,571.74x = 45,843.39 × 17,925.30
  4. Step 4: Simplify right side
    30,571.74x = 821,756,518.77
  5. Step 5: Solve for x
    x = 821,756,518.77/30,571.74
  6. Step 6: Final answer
    x = 26,879.61

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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.