Home / 51,489.85-71,052.55-28,825.01

Finding the Fourth Proportional to 51,489.85, 71,052.55 and 28,825.01

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Solution

The fourth proportional to 51,489.85, 71,052.55 and 28,825.01 is: 39,776.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,489.85 : 71,052.55 = 28,825.01 : x
  2. Step 2: Convert to fraction form
    51,489.85/71,052.55 = 28,825.01/x
  3. Step 3: Cross multiply
    51,489.85x = 71,052.55 × 28,825.01
  4. Step 4: Simplify right side
    51,489.85x = 2,048,090,392.21
  5. Step 5: Solve for x
    x = 2,048,090,392.21/51,489.85
  6. Step 6: Final answer
    x = 39,776.59

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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.