Home / 42,755.63-64,050.39-20,584.58

Finding the Fourth Proportional to 42,755.63, 64,050.39 and 20,584.58

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Solution

The fourth proportional to 42,755.63, 64,050.39 and 20,584.58 is: 30,836.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,755.63 : 64,050.39 = 20,584.58 : x
  2. Step 2: Convert to fraction form
    42,755.63/64,050.39 = 20,584.58/x
  3. Step 3: Cross multiply
    42,755.63x = 64,050.39 × 20,584.58
  4. Step 4: Simplify right side
    42,755.63x = 1,318,450,056.73
  5. Step 5: Solve for x
    x = 1,318,450,056.73/42,755.63
  6. Step 6: Final answer
    x = 30,836.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.