Home / 39,500.36-54,508.29-21,591.80

Finding the Fourth Proportional to 39,500.36, 54,508.29 and 21,591.80

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Solution

The fourth proportional to 39,500.36, 54,508.29 and 21,591.80 is: 29,795.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,500.36 : 54,508.29 = 21,591.80 : x
  2. Step 2: Convert to fraction form
    39,500.36/54,508.29 = 21,591.80/x
  3. Step 3: Cross multiply
    39,500.36x = 54,508.29 × 21,591.80
  4. Step 4: Simplify right side
    39,500.36x = 1,176,932,096.02
  5. Step 5: Solve for x
    x = 1,176,932,096.02/39,500.36
  6. Step 6: Final answer
    x = 29,795.48

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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.