Home / 30,338.96-45,479.04-14,748.08

Finding the Fourth Proportional to 30,338.96, 45,479.04 and 14,748.08

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Solution

The fourth proportional to 30,338.96, 45,479.04 and 14,748.08 is: 22,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.96 : 45,479.04 = 14,748.08 : x
  2. Step 2: Convert to fraction form
    30,338.96/45,479.04 = 14,748.08/x
  3. Step 3: Cross multiply
    30,338.96x = 45,479.04 × 14,748.08
  4. Step 4: Simplify right side
    30,338.96x = 670,728,520.24
  5. Step 5: Solve for x
    x = 670,728,520.24/30,338.96
  6. Step 6: Final answer
    x = 22,107.83

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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.