Home / 38,317.80-57,372.84-19,810.92

Finding the Fourth Proportional to 38,317.80, 57,372.84 and 19,810.92

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Solution

The fourth proportional to 38,317.80, 57,372.84 and 19,810.92 is: 29,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.80 : 57,372.84 = 19,810.92 : x
  2. Step 2: Convert to fraction form
    38,317.80/57,372.84 = 19,810.92/x
  3. Step 3: Cross multiply
    38,317.80x = 57,372.84 × 19,810.92
  4. Step 4: Simplify right side
    38,317.80x = 1,136,608,743.41
  5. Step 5: Solve for x
    x = 1,136,608,743.41/38,317.80
  6. Step 6: Final answer
    x = 29,662.68

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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.