Home / 39,744.54-59,619.58-13,440.40

Finding the Fourth Proportional to 39,744.54, 59,619.58 and 13,440.40

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Solution

The fourth proportional to 39,744.54, 59,619.58 and 13,440.40 is: 20,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,744.54 : 59,619.58 = 13,440.40 : x
  2. Step 2: Convert to fraction form
    39,744.54/59,619.58 = 13,440.40/x
  3. Step 3: Cross multiply
    39,744.54x = 59,619.58 × 13,440.40
  4. Step 4: Simplify right side
    39,744.54x = 801,310,820.38
  5. Step 5: Solve for x
    x = 801,310,820.38/39,744.54
  6. Step 6: Final answer
    x = 20,161.53

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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.