Home / 45,107.63-67,670.18-13,517.03

Finding the Fourth Proportional to 45,107.63, 67,670.18 and 13,517.03

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Solution

The fourth proportional to 45,107.63, 67,670.18 and 13,517.03 is: 20,278.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,107.63 : 67,670.18 = 13,517.03 : x
  2. Step 2: Convert to fraction form
    45,107.63/67,670.18 = 13,517.03/x
  3. Step 3: Cross multiply
    45,107.63x = 67,670.18 × 13,517.03
  4. Step 4: Simplify right side
    45,107.63x = 914,699,700.83
  5. Step 5: Solve for x
    x = 914,699,700.83/45,107.63
  6. Step 6: Final answer
    x = 20,278.16

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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.