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Finding the Fourth Proportional to 35,078.44, 48,407.64 and 19,162.48

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Solution

The fourth proportional to 35,078.44, 48,407.64 and 19,162.48 is: 26,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.44 : 48,407.64 = 19,162.48 : x
  2. Step 2: Convert to fraction form
    35,078.44/48,407.64 = 19,162.48/x
  3. Step 3: Cross multiply
    35,078.44x = 48,407.64 × 19,162.48
  4. Step 4: Simplify right side
    35,078.44x = 927,610,433.35
  5. Step 5: Solve for x
    x = 927,610,433.35/35,078.44
  6. Step 6: Final answer
    x = 26,443.89

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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.