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Finding the Fourth Proportional to 35,409.41, 48,864.84 and 19,493.87

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Solution

The fourth proportional to 35,409.41, 48,864.84 and 19,493.87 is: 26,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.41 : 48,864.84 = 19,493.87 : x
  2. Step 2: Convert to fraction form
    35,409.41/48,864.84 = 19,493.87/x
  3. Step 3: Cross multiply
    35,409.41x = 48,864.84 × 19,493.87
  4. Step 4: Simplify right side
    35,409.41x = 952,564,594.21
  5. Step 5: Solve for x
    x = 952,564,594.21/35,409.41
  6. Step 6: Final answer
    x = 26,901.46

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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.