Home / 30,028.92-45,043.36-28,202.12

Finding the Fourth Proportional to 30,028.92, 45,043.36 and 28,202.12

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Solution

The fourth proportional to 30,028.92, 45,043.36 and 28,202.12 is: 42,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,028.92 : 45,043.36 = 28,202.12 : x
  2. Step 2: Convert to fraction form
    30,028.92/45,043.36 = 28,202.12/x
  3. Step 3: Cross multiply
    30,028.92x = 45,043.36 × 28,202.12
  4. Step 4: Simplify right side
    30,028.92x = 1,270,318,243.92
  5. Step 5: Solve for x
    x = 1,270,318,243.92/30,028.92
  6. Step 6: Final answer
    x = 42,303.16

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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.