Home / 40,383.72-55,725.84-29,779.20

Finding the Fourth Proportional to 40,383.72, 55,725.84 and 29,779.20

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Solution

The fourth proportional to 40,383.72, 55,725.84 and 29,779.20 is: 41,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.72 : 55,725.84 = 29,779.20 : x
  2. Step 2: Convert to fraction form
    40,383.72/55,725.84 = 29,779.20/x
  3. Step 3: Cross multiply
    40,383.72x = 55,725.84 × 29,779.20
  4. Step 4: Simplify right side
    40,383.72x = 1,659,470,934.53
  5. Step 5: Solve for x
    x = 1,659,470,934.53/40,383.72
  6. Step 6: Final answer
    x = 41,092.57

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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.