Home / 30,531.13-45,799.43-8,344.62

Finding the Fourth Proportional to 30,531.13, 45,799.43 and 8,344.62

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Solution

The fourth proportional to 30,531.13, 45,799.43 and 8,344.62 is: 12,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531.13 : 45,799.43 = 8,344.62 : x
  2. Step 2: Convert to fraction form
    30,531.13/45,799.43 = 8,344.62/x
  3. Step 3: Cross multiply
    30,531.13x = 45,799.43 × 8,344.62
  4. Step 4: Simplify right side
    30,531.13x = 382,178,797.84
  5. Step 5: Solve for x
    x = 382,178,797.84/30,531.13
  6. Step 6: Final answer
    x = 12,517.68

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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.