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Finding the Fourth Proportional to 35,378.93, 48,821.15 and 19,462.97

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Solution

The fourth proportional to 35,378.93, 48,821.15 and 19,462.97 is: 26,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.93 : 48,821.15 = 19,462.97 : x
  2. Step 2: Convert to fraction form
    35,378.93/48,821.15 = 19,462.97/x
  3. Step 3: Cross multiply
    35,378.93x = 48,821.15 × 19,462.97
  4. Step 4: Simplify right side
    35,378.93x = 950,204,382.37
  5. Step 5: Solve for x
    x = 950,204,382.37/35,378.93
  6. Step 6: Final answer
    x = 26,857.92

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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.