Home / 39,687.18-59,489.37-13,382.88

Finding the Fourth Proportional to 39,687.18, 59,489.37 and 13,382.88

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Solution

The fourth proportional to 39,687.18, 59,489.37 and 13,382.88 is: 20,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,687.18 : 59,489.37 = 13,382.88 : x
  2. Step 2: Convert to fraction form
    39,687.18/59,489.37 = 13,382.88/x
  3. Step 3: Cross multiply
    39,687.18x = 59,489.37 × 13,382.88
  4. Step 4: Simplify right side
    39,687.18x = 796,139,099.99
  5. Step 5: Solve for x
    x = 796,139,099.99/39,687.18
  6. Step 6: Final answer
    x = 20,060.36

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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.