Home / 39,544.76-54,571.28-21,639.52

Finding the Fourth Proportional to 39,544.76, 54,571.28 and 21,639.52

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Solution

The fourth proportional to 39,544.76, 54,571.28 and 21,639.52 is: 29,862.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,544.76 : 54,571.28 = 21,639.52 : x
  2. Step 2: Convert to fraction form
    39,544.76/54,571.28 = 21,639.52/x
  3. Step 3: Cross multiply
    39,544.76x = 54,571.28 × 21,639.52
  4. Step 4: Simplify right side
    39,544.76x = 1,180,896,304.99
  5. Step 5: Solve for x
    x = 1,180,896,304.99/39,544.76
  6. Step 6: Final answer
    x = 29,862.27

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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.