Home / 49,625.28-68,480.64-30,764.16

Finding the Fourth Proportional to 49,625.28, 68,480.64 and 30,764.16

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Solution

The fourth proportional to 49,625.28, 68,480.64 and 30,764.16 is: 42,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,625.28 : 68,480.64 = 30,764.16 : x
  2. Step 2: Convert to fraction form
    49,625.28/68,480.64 = 30,764.16/x
  3. Step 3: Cross multiply
    49,625.28x = 68,480.64 × 30,764.16
  4. Step 4: Simplify right side
    49,625.28x = 2,106,749,365.86
  5. Step 5: Solve for x
    x = 2,106,749,365.86/49,625.28
  6. Step 6: Final answer
    x = 42,453.15

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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.