Home / 39,864-59,800.96-13,566.72

Finding the Fourth Proportional to 39,864, 59,800.96 and 13,566.72

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Solution

The fourth proportional to 39,864, 59,800.96 and 13,566.72 is: 20,351.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864 : 59,800.96 = 13,566.72 : x
  2. Step 2: Convert to fraction form
    39,864/59,800.96 = 13,566.72/x
  3. Step 3: Cross multiply
    39,864x = 59,800.96 × 13,566.72
  4. Step 4: Simplify right side
    39,864x = 811,302,880.05
  5. Step 5: Solve for x
    x = 811,302,880.05/39,864
  6. Step 6: Final answer
    x = 20,351.77

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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.