Home / 39,678.12-59,519.54-14,383.17

Finding the Fourth Proportional to 39,678.12, 59,519.54 and 14,383.17

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Solution

The fourth proportional to 39,678.12, 59,519.54 and 14,383.17 is: 21,575.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,678.12 : 59,519.54 = 14,383.17 : x
  2. Step 2: Convert to fraction form
    39,678.12/59,519.54 = 14,383.17/x
  3. Step 3: Cross multiply
    39,678.12x = 59,519.54 × 14,383.17
  4. Step 4: Simplify right side
    39,678.12x = 856,079,698.10
  5. Step 5: Solve for x
    x = 856,079,698.10/39,678.12
  6. Step 6: Final answer
    x = 21,575.61

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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.