Home / 42,827.56-64,125.42-30,295.96

Finding the Fourth Proportional to 42,827.56, 64,125.42 and 30,295.96

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Solution

The fourth proportional to 42,827.56, 64,125.42 and 30,295.96 is: 45,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,827.56 : 64,125.42 = 30,295.96 : x
  2. Step 2: Convert to fraction form
    42,827.56/64,125.42 = 30,295.96/x
  3. Step 3: Cross multiply
    42,827.56x = 64,125.42 × 30,295.96
  4. Step 4: Simplify right side
    42,827.56x = 1,942,741,159.30
  5. Step 5: Solve for x
    x = 1,942,741,159.30/42,827.56
  6. Step 6: Final answer
    x = 45,361.94

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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.