Home / 30,483.74-45,740.20-10,771.58

Finding the Fourth Proportional to 30,483.74, 45,740.20 and 10,771.58

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Solution

The fourth proportional to 30,483.74, 45,740.20 and 10,771.58 is: 16,162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,483.74 : 45,740.20 = 10,771.58 : x
  2. Step 2: Convert to fraction form
    30,483.74/45,740.20 = 10,771.58/x
  3. Step 3: Cross multiply
    30,483.74x = 45,740.20 × 10,771.58
  4. Step 4: Simplify right side
    30,483.74x = 492,694,396.70
  5. Step 5: Solve for x
    x = 492,694,396.70/30,483.74
  6. Step 6: Final answer
    x = 16,162.53

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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.