Home / 50,372.16-75,532.32-20,784.48

Finding the Fourth Proportional to 50,372.16, 75,532.32 and 20,784.48

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Solution

The fourth proportional to 50,372.16, 75,532.32 and 20,784.48 is: 31,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,372.16 : 75,532.32 = 20,784.48 : x
  2. Step 2: Convert to fraction form
    50,372.16/75,532.32 = 20,784.48/x
  3. Step 3: Cross multiply
    50,372.16x = 75,532.32 × 20,784.48
  4. Step 4: Simplify right side
    50,372.16x = 1,569,899,994.39
  5. Step 5: Solve for x
    x = 1,569,899,994.39/50,372.16
  6. Step 6: Final answer
    x = 31,166.02

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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.