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Finding the Fourth Proportional to 35,374.52, 48,815.81 and 19,458.97

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Solution

The fourth proportional to 35,374.52, 48,815.81 and 19,458.97 is: 26,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,374.52 : 48,815.81 = 19,458.97 : x
  2. Step 2: Convert to fraction form
    35,374.52/48,815.81 = 19,458.97/x
  3. Step 3: Cross multiply
    35,374.52x = 48,815.81 × 19,458.97
  4. Step 4: Simplify right side
    35,374.52x = 949,905,382.32
  5. Step 5: Solve for x
    x = 949,905,382.32/35,374.52
  6. Step 6: Final answer
    x = 26,852.81

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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.