Home / 39,544.40-54,568.99-21,639.76

Finding the Fourth Proportional to 39,544.40, 54,568.99 and 21,639.76

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Solution

The fourth proportional to 39,544.40, 54,568.99 and 21,639.76 is: 29,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,544.40 : 54,568.99 = 21,639.76 : x
  2. Step 2: Convert to fraction form
    39,544.40/54,568.99 = 21,639.76/x
  3. Step 3: Cross multiply
    39,544.40x = 54,568.99 × 21,639.76
  4. Step 4: Simplify right side
    39,544.40x = 1,180,859,737.67
  5. Step 5: Solve for x
    x = 1,180,859,737.67/39,544.40
  6. Step 6: Final answer
    x = 29,861.62

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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.