Home / 30,202.76-45,309.05-10,214.19

Finding the Fourth Proportional to 30,202.76, 45,309.05 and 10,214.19

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Solution

The fourth proportional to 30,202.76, 45,309.05 and 10,214.19 is: 15,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.76 : 45,309.05 = 10,214.19 : x
  2. Step 2: Convert to fraction form
    30,202.76/45,309.05 = 10,214.19/x
  3. Step 3: Cross multiply
    30,202.76x = 45,309.05 × 10,214.19
  4. Step 4: Simplify right side
    30,202.76x = 462,795,245.42
  5. Step 5: Solve for x
    x = 462,795,245.42/30,202.76
  6. Step 6: Final answer
    x = 15,322.95

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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.