Home / 30,011.94-45,022.23-9,230.58

Finding the Fourth Proportional to 30,011.94, 45,022.23 and 9,230.58

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Solution

The fourth proportional to 30,011.94, 45,022.23 and 9,230.58 is: 13,847.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,011.94 : 45,022.23 = 9,230.58 : x
  2. Step 2: Convert to fraction form
    30,011.94/45,022.23 = 9,230.58/x
  3. Step 3: Cross multiply
    30,011.94x = 45,022.23 × 9,230.58
  4. Step 4: Simplify right side
    30,011.94x = 415,581,295.79
  5. Step 5: Solve for x
    x = 415,581,295.79/30,011.94
  6. Step 6: Final answer
    x = 13,847.20

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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.