Home / 71,634.04-107,450.94-19,043.53

Finding the Fourth Proportional to 71,634.04, 107,450.94 and 19,043.53

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Solution

The fourth proportional to 71,634.04, 107,450.94 and 19,043.53 is: 28,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,634.04 : 107,450.94 = 19,043.53 : x
  2. Step 2: Convert to fraction form
    71,634.04/107,450.94 = 19,043.53/x
  3. Step 3: Cross multiply
    71,634.04x = 107,450.94 × 19,043.53
  4. Step 4: Simplify right side
    71,634.04x = 2,046,245,199.42
  5. Step 5: Solve for x
    x = 2,046,245,199.42/71,634.04
  6. Step 6: Final answer
    x = 28,565.26

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1.5x scale

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.