Home / 51,336.48-70,842.21-28,675.37

Finding the Fourth Proportional to 51,336.48, 70,842.21 and 28,675.37

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Solution

The fourth proportional to 51,336.48, 70,842.21 and 28,675.37 is: 39,570.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336.48 : 70,842.21 = 28,675.37 : x
  2. Step 2: Convert to fraction form
    51,336.48/70,842.21 = 28,675.37/x
  3. Step 3: Cross multiply
    51,336.48x = 70,842.21 × 28,675.37
  4. Step 4: Simplify right side
    51,336.48x = 2,031,426,229.16
  5. Step 5: Solve for x
    x = 2,031,426,229.16/51,336.48
  6. Step 6: Final answer
    x = 39,570.81

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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.