Home / 30,332.45-45,505.15-10,611.65

Finding the Fourth Proportional to 30,332.45, 45,505.15 and 10,611.65

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Solution

The fourth proportional to 30,332.45, 45,505.15 and 10,611.65 is: 15,919.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,332.45 : 45,505.15 = 10,611.65 : x
  2. Step 2: Convert to fraction form
    30,332.45/45,505.15 = 10,611.65/x
  3. Step 3: Cross multiply
    30,332.45x = 45,505.15 × 10,611.65
  4. Step 4: Simplify right side
    30,332.45x = 482,884,470.94
  5. Step 5: Solve for x
    x = 482,884,470.94/30,332.45
  6. Step 6: Final answer
    x = 15,919.73

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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.