Home / 39,479.12-59,242-14,536.68

Finding the Fourth Proportional to 39,479.12, 59,242 and 14,536.68

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Solution

The fourth proportional to 39,479.12, 59,242 and 14,536.68 is: 21,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,479.12 : 59,242 = 14,536.68 : x
  2. Step 2: Convert to fraction form
    39,479.12/59,242 = 14,536.68/x
  3. Step 3: Cross multiply
    39,479.12x = 59,242 × 14,536.68
  4. Step 4: Simplify right side
    39,479.12x = 861,181,996.56
  5. Step 5: Solve for x
    x = 861,181,996.56/39,479.12
  6. Step 6: Final answer
    x = 21,813.61

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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.