Home / 39,990.96-59,966.39-13,327.58

Finding the Fourth Proportional to 39,990.96, 59,966.39 and 13,327.58

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Solution

The fourth proportional to 39,990.96, 59,966.39 and 13,327.58 is: 19,984.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,990.96 : 59,966.39 = 13,327.58 : x
  2. Step 2: Convert to fraction form
    39,990.96/59,966.39 = 13,327.58/x
  3. Step 3: Cross multiply
    39,990.96x = 59,966.39 × 13,327.58
  4. Step 4: Simplify right side
    39,990.96x = 799,206,860.04
  5. Step 5: Solve for x
    x = 799,206,860.04/39,990.96
  6. Step 6: Final answer
    x = 19,984.69

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Similar ratio
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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.