Home / 39,352.94-54,305.47-21,447.55

Finding the Fourth Proportional to 39,352.94, 54,305.47 and 21,447.55

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Solution

The fourth proportional to 39,352.94, 54,305.47 and 21,447.55 is: 29,596.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,352.94 : 54,305.47 = 21,447.55 : x
  2. Step 2: Convert to fraction form
    39,352.94/54,305.47 = 21,447.55/x
  3. Step 3: Cross multiply
    39,352.94x = 54,305.47 × 21,447.55
  4. Step 4: Simplify right side
    39,352.94x = 1,164,719,377.79
  5. Step 5: Solve for x
    x = 1,164,719,377.79/39,352.94
  6. Step 6: Final answer
    x = 29,596.76

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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.