Home / 39,529.63-54,551.91-21,625.39

Finding the Fourth Proportional to 39,529.63, 54,551.91 and 21,625.39

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Solution

The fourth proportional to 39,529.63, 54,551.91 and 21,625.39 is: 29,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,529.63 : 54,551.91 = 21,625.39 : x
  2. Step 2: Convert to fraction form
    39,529.63/54,551.91 = 21,625.39/x
  3. Step 3: Cross multiply
    39,529.63x = 54,551.91 × 21,625.39
  4. Step 4: Simplify right side
    39,529.63x = 1,179,706,328.99
  5. Step 5: Solve for x
    x = 1,179,706,328.99/39,529.63
  6. Step 6: Final answer
    x = 29,843.60

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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.