Home / 51,945.91-71,685.42-28,072.58

Finding the Fourth Proportional to 51,945.91, 71,685.42 and 28,072.58

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Solution

The fourth proportional to 51,945.91, 71,685.42 and 28,072.58 is: 38,740.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,945.91 : 71,685.42 = 28,072.58 : x
  2. Step 2: Convert to fraction form
    51,945.91/71,685.42 = 28,072.58/x
  3. Step 3: Cross multiply
    51,945.91x = 71,685.42 × 28,072.58
  4. Step 4: Simplify right side
    51,945.91x = 2,012,394,603.79
  5. Step 5: Solve for x
    x = 2,012,394,603.79/51,945.91
  6. Step 6: Final answer
    x = 38,740.20

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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.