Home / 39,989.96-59,964.89-13,326.58

Finding the Fourth Proportional to 39,989.96, 59,964.89 and 13,326.58

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Solution

The fourth proportional to 39,989.96, 59,964.89 and 13,326.58 is: 19,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,989.96 : 59,964.89 = 13,326.58 : x
  2. Step 2: Convert to fraction form
    39,989.96/59,964.89 = 13,326.58/x
  3. Step 3: Cross multiply
    39,989.96x = 59,964.89 × 13,326.58
  4. Step 4: Simplify right side
    39,989.96x = 799,126,903.78
  5. Step 5: Solve for x
    x = 799,126,903.78/39,989.96
  6. Step 6: Final answer
    x = 19,983.19

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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.