Home / 35,862.20-53,798.10-12,495.80

Finding the Fourth Proportional to 35,862.20, 53,798.10 and 12,495.80

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Solution

The fourth proportional to 35,862.20, 53,798.10 and 12,495.80 is: 18,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.20 : 53,798.10 = 12,495.80 : x
  2. Step 2: Convert to fraction form
    35,862.20/53,798.10 = 12,495.80/x
  3. Step 3: Cross multiply
    35,862.20x = 53,798.10 × 12,495.80
  4. Step 4: Simplify right side
    35,862.20x = 672,250,297.98
  5. Step 5: Solve for x
    x = 672,250,297.98/35,862.20
  6. Step 6: Final answer
    x = 18,745.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.