Home / 39,494.40-54,503.11-21,591.07

Finding the Fourth Proportional to 39,494.40, 54,503.11 and 21,591.07

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Solution

The fourth proportional to 39,494.40, 54,503.11 and 21,591.07 is: 29,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,494.40 : 54,503.11 = 21,591.07 : x
  2. Step 2: Convert to fraction form
    39,494.40/54,503.11 = 21,591.07/x
  3. Step 3: Cross multiply
    39,494.40x = 54,503.11 × 21,591.07
  4. Step 4: Simplify right side
    39,494.40x = 1,176,780,353.96
  5. Step 5: Solve for x
    x = 1,176,780,353.96/39,494.40
  6. Step 6: Final answer
    x = 29,796.13

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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.