Home / 30,350.23-45,530.82-9,289.89

Finding the Fourth Proportional to 30,350.23, 45,530.82 and 9,289.89

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Solution

The fourth proportional to 30,350.23, 45,530.82 and 9,289.89 is: 13,936.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.23 : 45,530.82 = 9,289.89 : x
  2. Step 2: Convert to fraction form
    30,350.23/45,530.82 = 9,289.89/x
  3. Step 3: Cross multiply
    30,350.23x = 45,530.82 × 9,289.89
  4. Step 4: Simplify right side
    30,350.23x = 422,976,309.41
  5. Step 5: Solve for x
    x = 422,976,309.41/30,350.23
  6. Step 6: Final answer
    x = 13,936.51

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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.