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Finding the Fourth Proportional to 35,474.88, 48,953.86 and 19,341.84

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Solution

The fourth proportional to 35,474.88, 48,953.86 and 19,341.84 is: 26,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.88 : 48,953.86 = 19,341.84 : x
  2. Step 2: Convert to fraction form
    35,474.88/48,953.86 = 19,341.84/x
  3. Step 3: Cross multiply
    35,474.88x = 48,953.86 × 19,341.84
  4. Step 4: Simplify right side
    35,474.88x = 946,857,727.50
  5. Step 5: Solve for x
    x = 946,857,727.50/35,474.88
  6. Step 6: Final answer
    x = 26,690.94

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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.