Home / 39,367.53-54,326.46-21,462.69

Finding the Fourth Proportional to 39,367.53, 54,326.46 and 21,462.69

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Solution

The fourth proportional to 39,367.53, 54,326.46 and 21,462.69 is: 29,618.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,367.53 : 54,326.46 = 21,462.69 : x
  2. Step 2: Convert to fraction form
    39,367.53/54,326.46 = 21,462.69/x
  3. Step 3: Cross multiply
    39,367.53x = 54,326.46 × 21,462.69
  4. Step 4: Simplify right side
    39,367.53x = 1,165,991,969.78
  5. Step 5: Solve for x
    x = 1,165,991,969.78/39,367.53
  6. Step 6: Final answer
    x = 29,618.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.