Home / 35,848.20-53,777.10-12,481.80

Finding the Fourth Proportional to 35,848.20, 53,777.10 and 12,481.80

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Solution

The fourth proportional to 35,848.20, 53,777.10 and 12,481.80 is: 18,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,848.20 : 53,777.10 = 12,481.80 : x
  2. Step 2: Convert to fraction form
    35,848.20/53,777.10 = 12,481.80/x
  3. Step 3: Cross multiply
    35,848.20x = 53,777.10 × 12,481.80
  4. Step 4: Simplify right side
    35,848.20x = 671,235,006.78
  5. Step 5: Solve for x
    x = 671,235,006.78/35,848.20
  6. Step 6: Final answer
    x = 18,724.37

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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.