Home / 50,487.84-69,625.98-39,902.76

Finding the Fourth Proportional to 50,487.84, 69,625.98 and 39,902.76

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Solution

The fourth proportional to 50,487.84, 69,625.98 and 39,902.76 is: 55,028.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,487.84 : 69,625.98 = 39,902.76 : x
  2. Step 2: Convert to fraction form
    50,487.84/69,625.98 = 39,902.76/x
  3. Step 3: Cross multiply
    50,487.84x = 69,625.98 × 39,902.76
  4. Step 4: Simplify right side
    50,487.84x = 2,778,268,769.70
  5. Step 5: Solve for x
    x = 2,778,268,769.70/50,487.84
  6. Step 6: Final answer
    x = 55,028.47

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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.