Home / 39,022.41-53,850.92-21,117.41

Finding the Fourth Proportional to 39,022.41, 53,850.92 and 21,117.41

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Solution

The fourth proportional to 39,022.41, 53,850.92 and 21,117.41 is: 29,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,022.41 : 53,850.92 = 21,117.41 : x
  2. Step 2: Convert to fraction form
    39,022.41/53,850.92 = 21,117.41/x
  3. Step 3: Cross multiply
    39,022.41x = 53,850.92 × 21,117.41
  4. Step 4: Simplify right side
    39,022.41x = 1,137,191,716.30
  5. Step 5: Solve for x
    x = 1,137,191,716.30/39,022.41
  6. Step 6: Final answer
    x = 29,142.02

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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.