Home / 30,350.07-45,530.54-9,289.73

Finding the Fourth Proportional to 30,350.07, 45,530.54 and 9,289.73

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Solution

The fourth proportional to 30,350.07, 45,530.54 and 9,289.73 is: 13,936.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.07 : 45,530.54 = 9,289.73 : x
  2. Step 2: Convert to fraction form
    30,350.07/45,530.54 = 9,289.73/x
  3. Step 3: Cross multiply
    30,350.07x = 45,530.54 × 9,289.73
  4. Step 4: Simplify right side
    30,350.07x = 422,966,149.25
  5. Step 5: Solve for x
    x = 422,966,149.25/30,350.07
  6. Step 6: Final answer
    x = 13,936.25

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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.