Home / 43,314.30-64,977.99-18,354.45

Finding the Fourth Proportional to 43,314.30, 64,977.99 and 18,354.45

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Solution

The fourth proportional to 43,314.30, 64,977.99 and 18,354.45 is: 27,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,314.30 : 64,977.99 = 18,354.45 : x
  2. Step 2: Convert to fraction form
    43,314.30/64,977.99 = 18,354.45/x
  3. Step 3: Cross multiply
    43,314.30x = 64,977.99 × 18,354.45
  4. Step 4: Simplify right side
    43,314.30x = 1,192,635,268.56
  5. Step 5: Solve for x
    x = 1,192,635,268.56/43,314.30
  6. Step 6: Final answer
    x = 27,534.45

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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.