Home / 51,489.75-71,056.94-29,133.75

Finding the Fourth Proportional to 51,489.75, 71,056.94 and 29,133.75

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Solution

The fourth proportional to 51,489.75, 71,056.94 and 29,133.75 is: 40,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,489.75 : 71,056.94 = 29,133.75 : x
  2. Step 2: Convert to fraction form
    51,489.75/71,056.94 = 29,133.75/x
  3. Step 3: Cross multiply
    51,489.75x = 71,056.94 × 29,133.75
  4. Step 4: Simplify right side
    51,489.75x = 2,070,154,980.06
  5. Step 5: Solve for x
    x = 2,070,154,980.06/51,489.75
  6. Step 6: Final answer
    x = 40,205.19

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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.