Home / 51,040.98-70,438.91-28,382.27

Finding the Fourth Proportional to 51,040.98, 70,438.91 and 28,382.27

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Solution

The fourth proportional to 51,040.98, 70,438.91 and 28,382.27 is: 39,168.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,040.98 : 70,438.91 = 28,382.27 : x
  2. Step 2: Convert to fraction form
    51,040.98/70,438.91 = 28,382.27/x
  3. Step 3: Cross multiply
    51,040.98x = 70,438.91 × 28,382.27
  4. Step 4: Simplify right side
    51,040.98x = 1,999,215,668.02
  5. Step 5: Solve for x
    x = 1,999,215,668.02/51,040.98
  6. Step 6: Final answer
    x = 39,168.83

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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.