Home / 39,839.63-59,765.57-13,538.22

Finding the Fourth Proportional to 39,839.63, 59,765.57 and 13,538.22

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Solution

The fourth proportional to 39,839.63, 59,765.57 and 13,538.22 is: 20,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,839.63 : 59,765.57 = 13,538.22 : x
  2. Step 2: Convert to fraction form
    39,839.63/59,765.57 = 13,538.22/x
  3. Step 3: Cross multiply
    39,839.63x = 59,765.57 × 13,538.22
  4. Step 4: Simplify right side
    39,839.63x = 809,119,367.39
  5. Step 5: Solve for x
    x = 809,119,367.39/39,839.63
  6. Step 6: Final answer
    x = 20,309.41

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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.