Home / 30,208.55-45,315.25-10,217.85

Finding the Fourth Proportional to 30,208.55, 45,315.25 and 10,217.85

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Solution

The fourth proportional to 30,208.55, 45,315.25 and 10,217.85 is: 15,327.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.55 : 45,315.25 = 10,217.85 : x
  2. Step 2: Convert to fraction form
    30,208.55/45,315.25 = 10,217.85/x
  3. Step 3: Cross multiply
    30,208.55x = 45,315.25 × 10,217.85
  4. Step 4: Simplify right side
    30,208.55x = 463,024,231.74
  5. Step 5: Solve for x
    x = 463,024,231.74/30,208.55
  6. Step 6: Final answer
    x = 15,327.59

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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.