Home / 30,873.42-46,284.21-20,984.94

Finding the Fourth Proportional to 30,873.42, 46,284.21 and 20,984.94

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Solution

The fourth proportional to 30,873.42, 46,284.21 and 20,984.94 is: 31,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,873.42 : 46,284.21 = 20,984.94 : x
  2. Step 2: Convert to fraction form
    30,873.42/46,284.21 = 20,984.94/x
  3. Step 3: Cross multiply
    30,873.42x = 46,284.21 × 20,984.94
  4. Step 4: Simplify right side
    30,873.42x = 971,271,369.80
  5. Step 5: Solve for x
    x = 971,271,369.80/30,873.42
  6. Step 6: Final answer
    x = 31,459.79

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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.