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Finding the Fourth Proportional to 35,340.94, 48,769.41 and 19,425.34

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Solution

The fourth proportional to 35,340.94, 48,769.41 and 19,425.34 is: 26,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,340.94 : 48,769.41 = 19,425.34 : x
  2. Step 2: Convert to fraction form
    35,340.94/48,769.41 = 19,425.34/x
  3. Step 3: Cross multiply
    35,340.94x = 48,769.41 × 19,425.34
  4. Step 4: Simplify right side
    35,340.94x = 947,362,370.85
  5. Step 5: Solve for x
    x = 947,362,370.85/35,340.94
  6. Step 6: Final answer
    x = 26,806.37

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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.