Home / 50,378.79-69,532.68-28,882.98

Finding the Fourth Proportional to 50,378.79, 69,532.68 and 28,882.98

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Solution

The fourth proportional to 50,378.79, 69,532.68 and 28,882.98 is: 39,864.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,378.79 : 69,532.68 = 28,882.98 : x
  2. Step 2: Convert to fraction form
    50,378.79/69,532.68 = 28,882.98/x
  3. Step 3: Cross multiply
    50,378.79x = 69,532.68 × 28,882.98
  4. Step 4: Simplify right side
    50,378.79x = 2,008,310,951.63
  5. Step 5: Solve for x
    x = 2,008,310,951.63/50,378.79
  6. Step 6: Final answer
    x = 39,864.21

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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.