Home / 30,234.20-45,351.30-9,457.70

Finding the Fourth Proportional to 30,234.20, 45,351.30 and 9,457.70

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Solution

The fourth proportional to 30,234.20, 45,351.30 and 9,457.70 is: 14,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.20 : 45,351.30 = 9,457.70 : x
  2. Step 2: Convert to fraction form
    30,234.20/45,351.30 = 9,457.70/x
  3. Step 3: Cross multiply
    30,234.20x = 45,351.30 × 9,457.70
  4. Step 4: Simplify right side
    30,234.20x = 428,918,990.01
  5. Step 5: Solve for x
    x = 428,918,990.01/30,234.20
  6. Step 6: Final answer
    x = 14,186.55

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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.