Home / 30,049.20-45,081.18-10,328.04

Finding the Fourth Proportional to 30,049.20, 45,081.18 and 10,328.04

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Solution

The fourth proportional to 30,049.20, 45,081.18 and 10,328.04 is: 15,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.20 : 45,081.18 = 10,328.04 : x
  2. Step 2: Convert to fraction form
    30,049.20/45,081.18 = 10,328.04/x
  3. Step 3: Cross multiply
    30,049.20x = 45,081.18 × 10,328.04
  4. Step 4: Simplify right side
    30,049.20x = 465,600,230.29
  5. Step 5: Solve for x
    x = 465,600,230.29/30,049.20
  6. Step 6: Final answer
    x = 15,494.60

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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.