Home / 53,025.82-79,539.34-13,581.88

Finding the Fourth Proportional to 53,025.82, 79,539.34 and 13,581.88

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Solution

The fourth proportional to 53,025.82, 79,539.34 and 13,581.88 is: 20,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,025.82 : 79,539.34 = 13,581.88 : x
  2. Step 2: Convert to fraction form
    53,025.82/79,539.34 = 13,581.88/x
  3. Step 3: Cross multiply
    53,025.82x = 79,539.34 × 13,581.88
  4. Step 4: Simplify right side
    53,025.82x = 1,080,293,771.16
  5. Step 5: Solve for x
    x = 1,080,293,771.16/53,025.82
  6. Step 6: Final answer
    x = 20,372.98

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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.