Home / 30,800.39-46,200.18-7,426.64

Finding the Fourth Proportional to 30,800.39, 46,200.18 and 7,426.64

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Solution

The fourth proportional to 30,800.39, 46,200.18 and 7,426.64 is: 11,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,800.39 : 46,200.18 = 7,426.64 : x
  2. Step 2: Convert to fraction form
    30,800.39/46,200.18 = 7,426.64/x
  3. Step 3: Cross multiply
    30,800.39x = 46,200.18 × 7,426.64
  4. Step 4: Simplify right side
    30,800.39x = 343,112,104.80
  5. Step 5: Solve for x
    x = 343,112,104.80/30,800.39
  6. Step 6: Final answer
    x = 11,139.86

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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.