Home / 39,008.88-53,832.11-21,103.73

Finding the Fourth Proportional to 39,008.88, 53,832.11 and 21,103.73

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Solution

The fourth proportional to 39,008.88, 53,832.11 and 21,103.73 is: 29,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,008.88 : 53,832.11 = 21,103.73 : x
  2. Step 2: Convert to fraction form
    39,008.88/53,832.11 = 21,103.73/x
  3. Step 3: Cross multiply
    39,008.88x = 53,832.11 × 21,103.73
  4. Step 4: Simplify right side
    39,008.88x = 1,136,058,314.77
  5. Step 5: Solve for x
    x = 1,136,058,314.77/39,008.88
  6. Step 6: Final answer
    x = 29,123.07

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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.