Home / 39,664.89-59,496.88-13,388.09

Finding the Fourth Proportional to 39,664.89, 59,496.88 and 13,388.09

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Solution

The fourth proportional to 39,664.89, 59,496.88 and 13,388.09 is: 20,081.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,664.89 : 59,496.88 = 13,388.09 : x
  2. Step 2: Convert to fraction form
    39,664.89/59,496.88 = 13,388.09/x
  3. Step 3: Cross multiply
    39,664.89x = 59,496.88 × 13,388.09
  4. Step 4: Simplify right side
    39,664.89x = 796,549,278.31
  5. Step 5: Solve for x
    x = 796,549,278.31/39,664.89
  6. Step 6: Final answer
    x = 20,081.97

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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.