Home / 35,418.27-53,140.91-13,241.55

Finding the Fourth Proportional to 35,418.27, 53,140.91 and 13,241.55

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Solution

The fourth proportional to 35,418.27, 53,140.91 and 13,241.55 is: 19,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.27 : 53,140.91 = 13,241.55 : x
  2. Step 2: Convert to fraction form
    35,418.27/53,140.91 = 13,241.55/x
  3. Step 3: Cross multiply
    35,418.27x = 53,140.91 × 13,241.55
  4. Step 4: Simplify right side
    35,418.27x = 703,667,950.60
  5. Step 5: Solve for x
    x = 703,667,950.60/35,418.27
  6. Step 6: Final answer
    x = 19,867.37

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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.