Home / 30,522.15-45,776.30-10,800.70

Finding the Fourth Proportional to 30,522.15, 45,776.30 and 10,800.70

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Solution

The fourth proportional to 30,522.15, 45,776.30 and 10,800.70 is: 16,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,522.15 : 45,776.30 = 10,800.70 : x
  2. Step 2: Convert to fraction form
    30,522.15/45,776.30 = 10,800.70/x
  3. Step 3: Cross multiply
    30,522.15x = 45,776.30 × 10,800.70
  4. Step 4: Simplify right side
    30,522.15x = 494,416,312.77
  5. Step 5: Solve for x
    x = 494,416,312.77/30,522.15
  6. Step 6: Final answer
    x = 16,198.61

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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.