Home / 39,376.38-59,065.65-12,723.51

Finding the Fourth Proportional to 39,376.38, 59,065.65 and 12,723.51

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Solution

The fourth proportional to 39,376.38, 59,065.65 and 12,723.51 is: 19,085.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,376.38 : 59,065.65 = 12,723.51 : x
  2. Step 2: Convert to fraction form
    39,376.38/59,065.65 = 12,723.51/x
  3. Step 3: Cross multiply
    39,376.38x = 59,065.65 × 12,723.51
  4. Step 4: Simplify right side
    39,376.38x = 751,522,388.43
  5. Step 5: Solve for x
    x = 751,522,388.43/39,376.38
  6. Step 6: Final answer
    x = 19,085.61

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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.