Home / 30,984.12-46,471.32-13,449.24

Finding the Fourth Proportional to 30,984.12, 46,471.32 and 13,449.24

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Solution

The fourth proportional to 30,984.12, 46,471.32 and 13,449.24 is: 20,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,984.12 : 46,471.32 = 13,449.24 : x
  2. Step 2: Convert to fraction form
    30,984.12/46,471.32 = 13,449.24/x
  3. Step 3: Cross multiply
    30,984.12x = 46,471.32 × 13,449.24
  4. Step 4: Simplify right side
    30,984.12x = 625,003,935.80
  5. Step 5: Solve for x
    x = 625,003,935.80/30,984.12
  6. Step 6: Final answer
    x = 20,171.75

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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.