Home / 35,860.20-53,795.10-12,493.80

Finding the Fourth Proportional to 35,860.20, 53,795.10 and 12,493.80

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Solution

The fourth proportional to 35,860.20, 53,795.10 and 12,493.80 is: 18,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,860.20 : 53,795.10 = 12,493.80 : x
  2. Step 2: Convert to fraction form
    35,860.20/53,795.10 = 12,493.80/x
  3. Step 3: Cross multiply
    35,860.20x = 53,795.10 × 12,493.80
  4. Step 4: Simplify right side
    35,860.20x = 672,105,220.38
  5. Step 5: Solve for x
    x = 672,105,220.38/35,860.20
  6. Step 6: Final answer
    x = 18,742.37

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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.