Home / 39,664.75-59,497.31-13,369.72

Finding the Fourth Proportional to 39,664.75, 59,497.31 and 13,369.72

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Solution

The fourth proportional to 39,664.75, 59,497.31 and 13,369.72 is: 20,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,664.75 : 59,497.31 = 13,369.72 : x
  2. Step 2: Convert to fraction form
    39,664.75/59,497.31 = 13,369.72/x
  3. Step 3: Cross multiply
    39,664.75x = 59,497.31 × 13,369.72
  4. Step 4: Simplify right side
    39,664.75x = 795,462,375.45
  5. Step 5: Solve for x
    x = 795,462,375.45/39,664.75
  6. Step 6: Final answer
    x = 20,054.64

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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.