Home / 50,430.72-75,636.32-19,258.56

Finding the Fourth Proportional to 50,430.72, 75,636.32 and 19,258.56

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Solution

The fourth proportional to 50,430.72, 75,636.32 and 19,258.56 is: 28,884.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,430.72 : 75,636.32 = 19,258.56 : x
  2. Step 2: Convert to fraction form
    50,430.72/75,636.32 = 19,258.56/x
  3. Step 3: Cross multiply
    50,430.72x = 75,636.32 × 19,258.56
  4. Step 4: Simplify right side
    50,430.72x = 1,456,646,606.90
  5. Step 5: Solve for x
    x = 1,456,646,606.90/50,430.72
  6. Step 6: Final answer
    x = 28,884.11

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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.