Home / 50,649.18-69,895.46-27,989.70

Finding the Fourth Proportional to 50,649.18, 69,895.46 and 27,989.70

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Solution

The fourth proportional to 50,649.18, 69,895.46 and 27,989.70 is: 38,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.18 : 69,895.46 = 27,989.70 : x
  2. Step 2: Convert to fraction form
    50,649.18/69,895.46 = 27,989.70/x
  3. Step 3: Cross multiply
    50,649.18x = 69,895.46 × 27,989.70
  4. Step 4: Simplify right side
    50,649.18x = 1,956,352,956.76
  5. Step 5: Solve for x
    x = 1,956,352,956.76/50,649.18
  6. Step 6: Final answer
    x = 38,625.56

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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.