Home / 50,671.41-69,920.48-28,007.34

Finding the Fourth Proportional to 50,671.41, 69,920.48 and 28,007.34

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Solution

The fourth proportional to 50,671.41, 69,920.48 and 28,007.34 is: 38,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,671.41 : 69,920.48 = 28,007.34 : x
  2. Step 2: Convert to fraction form
    50,671.41/69,920.48 = 28,007.34/x
  3. Step 3: Cross multiply
    50,671.41x = 69,920.48 × 28,007.34
  4. Step 4: Simplify right side
    50,671.41x = 1,958,286,464.14
  5. Step 5: Solve for x
    x = 1,958,286,464.14/50,671.41
  6. Step 6: Final answer
    x = 38,646.78

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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.