Home / 53,375.30-79,998.20-39,203.92

Finding the Fourth Proportional to 53,375.30, 79,998.20 and 39,203.92

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Solution

The fourth proportional to 53,375.30, 79,998.20 and 39,203.92 is: 58,758.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,375.30 : 79,998.20 = 39,203.92 : x
  2. Step 2: Convert to fraction form
    53,375.30/79,998.20 = 39,203.92/x
  3. Step 3: Cross multiply
    53,375.30x = 79,998.20 × 39,203.92
  4. Step 4: Simplify right side
    53,375.30x = 3,136,243,032.94
  5. Step 5: Solve for x
    x = 3,136,243,032.94/53,375.30
  6. Step 6: Final answer
    x = 58,758.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.