Home / 51,481.17-71,040.09-28,814.97

Finding the Fourth Proportional to 51,481.17, 71,040.09 and 28,814.97

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Solution

The fourth proportional to 51,481.17, 71,040.09 and 28,814.97 is: 39,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,481.17 : 71,040.09 = 28,814.97 : x
  2. Step 2: Convert to fraction form
    51,481.17/71,040.09 = 28,814.97/x
  3. Step 3: Cross multiply
    51,481.17x = 71,040.09 × 28,814.97
  4. Step 4: Simplify right side
    51,481.17x = 2,047,018,062.15
  5. Step 5: Solve for x
    x = 2,047,018,062.15/51,481.17
  6. Step 6: Final answer
    x = 39,762.46

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1.5x scale

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.