Home / 50,333.72-75,515.15-20,736.32

Finding the Fourth Proportional to 50,333.72, 75,515.15 and 20,736.32

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Solution

The fourth proportional to 50,333.72, 75,515.15 and 20,736.32 is: 31,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,333.72 : 75,515.15 = 20,736.32 : x
  2. Step 2: Convert to fraction form
    50,333.72/75,515.15 = 20,736.32/x
  3. Step 3: Cross multiply
    50,333.72x = 75,515.15 × 20,736.32
  4. Step 4: Simplify right side
    50,333.72x = 1,565,905,989.51
  5. Step 5: Solve for x
    x = 1,565,905,989.51/50,333.72
  6. Step 6: Final answer
    x = 31,110.48

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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.