Home / 30,062.12-45,103.54-13,433.64

Finding the Fourth Proportional to 30,062.12, 45,103.54 and 13,433.64

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Solution

The fourth proportional to 30,062.12, 45,103.54 and 13,433.64 is: 20,155.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062.12 : 45,103.54 = 13,433.64 : x
  2. Step 2: Convert to fraction form
    30,062.12/45,103.54 = 13,433.64/x
  3. Step 3: Cross multiply
    30,062.12x = 45,103.54 × 13,433.64
  4. Step 4: Simplify right side
    30,062.12x = 605,904,719.09
  5. Step 5: Solve for x
    x = 605,904,719.09/30,062.12
  6. Step 6: Final answer
    x = 20,155.09

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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.