Home / 48,087.87-72,132.62-21,792.84

Finding the Fourth Proportional to 48,087.87, 72,132.62 and 21,792.84

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Solution

The fourth proportional to 48,087.87, 72,132.62 and 21,792.84 is: 32,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.87 : 72,132.62 = 21,792.84 : x
  2. Step 2: Convert to fraction form
    48,087.87/72,132.62 = 21,792.84/x
  3. Step 3: Cross multiply
    48,087.87x = 72,132.62 × 21,792.84
  4. Step 4: Simplify right side
    48,087.87x = 1,571,974,537.48
  5. Step 5: Solve for x
    x = 1,571,974,537.48/48,087.87
  6. Step 6: Final answer
    x = 32,689.63

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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.