Home / 40,383.96-60,588.35-20,676.36

Finding the Fourth Proportional to 40,383.96, 60,588.35 and 20,676.36

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Solution

The fourth proportional to 40,383.96, 60,588.35 and 20,676.36 is: 31,020.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.96 : 60,588.35 = 20,676.36 : x
  2. Step 2: Convert to fraction form
    40,383.96/60,588.35 = 20,676.36/x
  3. Step 3: Cross multiply
    40,383.96x = 60,588.35 × 20,676.36
  4. Step 4: Simplify right side
    40,383.96x = 1,252,746,433.02
  5. Step 5: Solve for x
    x = 1,252,746,433.02/40,383.96
  6. Step 6: Final answer
    x = 31,020.89

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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.