Home / 39,493.72-54,501.21-21,588.73

Finding the Fourth Proportional to 39,493.72, 54,501.21 and 21,588.73

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Solution

The fourth proportional to 39,493.72, 54,501.21 and 21,588.73 is: 29,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.72 : 54,501.21 = 21,588.73 : x
  2. Step 2: Convert to fraction form
    39,493.72/54,501.21 = 21,588.73/x
  3. Step 3: Cross multiply
    39,493.72x = 54,501.21 × 21,588.73
  4. Step 4: Simplify right side
    39,493.72x = 1,176,611,907.36
  5. Step 5: Solve for x
    x = 1,176,611,907.36/39,493.72
  6. Step 6: Final answer
    x = 29,792.38

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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.