Home / 51,653.46-71,280.90-30,429.03

Finding the Fourth Proportional to 51,653.46, 71,280.90 and 30,429.03

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Solution

The fourth proportional to 51,653.46, 71,280.90 and 30,429.03 is: 41,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,653.46 : 71,280.90 = 30,429.03 : x
  2. Step 2: Convert to fraction form
    51,653.46/71,280.90 = 30,429.03/x
  3. Step 3: Cross multiply
    51,653.46x = 71,280.90 × 30,429.03
  4. Step 4: Simplify right side
    51,653.46x = 2,169,008,644.53
  5. Step 5: Solve for x
    x = 2,169,008,644.53/51,653.46
  6. Step 6: Final answer
    x = 41,991.55

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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.