Home / 39,379.49-59,080.67-12,724.92

Finding the Fourth Proportional to 39,379.49, 59,080.67 and 12,724.92

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Solution

The fourth proportional to 39,379.49, 59,080.67 and 12,724.92 is: 19,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.49 : 59,080.67 = 12,724.92 : x
  2. Step 2: Convert to fraction form
    39,379.49/59,080.67 = 12,724.92/x
  3. Step 3: Cross multiply
    39,379.49x = 59,080.67 × 12,724.92
  4. Step 4: Simplify right side
    39,379.49x = 751,796,799.30
  5. Step 5: Solve for x
    x = 751,796,799.30/39,379.49
  6. Step 6: Final answer
    x = 19,091.08

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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.