Home / 39,031.90-53,849.60-25,621.37

Finding the Fourth Proportional to 39,031.90, 53,849.60 and 25,621.37

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Solution

The fourth proportional to 39,031.90, 53,849.60 and 25,621.37 is: 35,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.90 : 53,849.60 = 25,621.37 : x
  2. Step 2: Convert to fraction form
    39,031.90/53,849.60 = 25,621.37/x
  3. Step 3: Cross multiply
    39,031.90x = 53,849.60 × 25,621.37
  4. Step 4: Simplify right side
    39,031.90x = 1,379,700,532.47
  5. Step 5: Solve for x
    x = 1,379,700,532.47/39,031.90
  6. Step 6: Final answer
    x = 35,348.03

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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.