Home / 30,311.94-45,451.44-16,288.68

Finding the Fourth Proportional to 30,311.94, 45,451.44 and 16,288.68

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Solution

The fourth proportional to 30,311.94, 45,451.44 and 16,288.68 is: 24,424.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,311.94 : 45,451.44 = 16,288.68 : x
  2. Step 2: Convert to fraction form
    30,311.94/45,451.44 = 16,288.68/x
  3. Step 3: Cross multiply
    30,311.94x = 45,451.44 × 16,288.68
  4. Step 4: Simplify right side
    30,311.94x = 740,343,961.70
  5. Step 5: Solve for x
    x = 740,343,961.70/30,311.94
  6. Step 6: Final answer
    x = 24,424.17

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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.