Home / 35,839.68-53,668.80-19,138.56

Finding the Fourth Proportional to 35,839.68, 53,668.80 and 19,138.56

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Solution

The fourth proportional to 35,839.68, 53,668.80 and 19,138.56 is: 28,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,839.68 : 53,668.80 = 19,138.56 : x
  2. Step 2: Convert to fraction form
    35,839.68/53,668.80 = 19,138.56/x
  3. Step 3: Cross multiply
    35,839.68x = 53,668.80 × 19,138.56
  4. Step 4: Simplify right side
    35,839.68x = 1,027,143,548.93
  5. Step 5: Solve for x
    x = 1,027,143,548.93/35,839.68
  6. Step 6: Final answer
    x = 28,659.40

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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.