Home / 39,814.39-59,676.31-20,809.73

Finding the Fourth Proportional to 39,814.39, 59,676.31 and 20,809.73

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Solution

The fourth proportional to 39,814.39, 59,676.31 and 20,809.73 is: 31,190.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,814.39 : 59,676.31 = 20,809.73 : x
  2. Step 2: Convert to fraction form
    39,814.39/59,676.31 = 20,809.73/x
  3. Step 3: Cross multiply
    39,814.39x = 59,676.31 × 20,809.73
  4. Step 4: Simplify right side
    39,814.39x = 1,241,847,898.50
  5. Step 5: Solve for x
    x = 1,241,847,898.50/39,814.39
  6. Step 6: Final answer
    x = 31,190.93

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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.