Home / 30,489.12-45,753.20-16,458.92

Finding the Fourth Proportional to 30,489.12, 45,753.20 and 16,458.92

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Solution

The fourth proportional to 30,489.12, 45,753.20 and 16,458.92 is: 24,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,489.12 : 45,753.20 = 16,458.92 : x
  2. Step 2: Convert to fraction form
    30,489.12/45,753.20 = 16,458.92/x
  3. Step 3: Cross multiply
    30,489.12x = 45,753.20 × 16,458.92
  4. Step 4: Simplify right side
    30,489.12x = 753,048,231.24
  5. Step 5: Solve for x
    x = 753,048,231.24/30,489.12
  6. Step 6: Final answer
    x = 24,698.92

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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.