Home / 51,928.31-71,661.09-28,054.94

Finding the Fourth Proportional to 51,928.31, 71,661.09 and 28,054.94

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Solution

The fourth proportional to 51,928.31, 71,661.09 and 28,054.94 is: 38,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.31 : 71,661.09 = 28,054.94 : x
  2. Step 2: Convert to fraction form
    51,928.31/71,661.09 = 28,054.94/x
  3. Step 3: Cross multiply
    51,928.31x = 71,661.09 × 28,054.94
  4. Step 4: Simplify right side
    51,928.31x = 2,010,447,580.28
  5. Step 5: Solve for x
    x = 2,010,447,580.28/51,928.31
  6. Step 6: Final answer
    x = 38,715.83

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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.