Home / 30,480.76-45,738.60-16,440.73

Finding the Fourth Proportional to 30,480.76, 45,738.60 and 16,440.73

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Solution

The fourth proportional to 30,480.76, 45,738.60 and 16,440.73 is: 24,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,480.76 : 45,738.60 = 16,440.73 : x
  2. Step 2: Convert to fraction form
    30,480.76/45,738.60 = 16,440.73/x
  3. Step 3: Cross multiply
    30,480.76x = 45,738.60 × 16,440.73
  4. Step 4: Simplify right side
    30,480.76x = 751,975,973.18
  5. Step 5: Solve for x
    x = 751,975,973.18/30,480.76
  6. Step 6: Final answer
    x = 24,670.51

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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.