Home / 50,479.70-69,659.18-30,332.84

Finding the Fourth Proportional to 50,479.70, 69,659.18 and 30,332.84

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Solution

The fourth proportional to 50,479.70, 69,659.18 and 30,332.84 is: 41,857.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,479.70 : 69,659.18 = 30,332.84 : x
  2. Step 2: Convert to fraction form
    50,479.70/69,659.18 = 30,332.84/x
  3. Step 3: Cross multiply
    50,479.70x = 69,659.18 × 30,332.84
  4. Step 4: Simplify right side
    50,479.70x = 2,112,960,761.47
  5. Step 5: Solve for x
    x = 2,112,960,761.47/50,479.70
  6. Step 6: Final answer
    x = 41,857.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.