Home / 30,350.75-45,532.61-10,629.95

Finding the Fourth Proportional to 30,350.75, 45,532.61 and 10,629.95

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Solution

The fourth proportional to 30,350.75, 45,532.61 and 10,629.95 is: 15,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.75 : 45,532.61 = 10,629.95 : x
  2. Step 2: Convert to fraction form
    30,350.75/45,532.61 = 10,629.95/x
  3. Step 3: Cross multiply
    30,350.75x = 45,532.61 × 10,629.95
  4. Step 4: Simplify right side
    30,350.75x = 484,009,086.86
  5. Step 5: Solve for x
    x = 484,009,086.86/30,350.75
  6. Step 6: Final answer
    x = 15,947.19

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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.