Home / 39,022.23-53,850.68-21,117.23

Finding the Fourth Proportional to 39,022.23, 53,850.68 and 21,117.23

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Solution

The fourth proportional to 39,022.23, 53,850.68 and 21,117.23 is: 29,141.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,022.23 : 53,850.68 = 21,117.23 : x
  2. Step 2: Convert to fraction form
    39,022.23/53,850.68 = 21,117.23/x
  3. Step 3: Cross multiply
    39,022.23x = 53,850.68 × 21,117.23
  4. Step 4: Simplify right side
    39,022.23x = 1,137,177,224.26
  5. Step 5: Solve for x
    x = 1,137,177,224.26/39,022.23
  6. Step 6: Final answer
    x = 29,141.78

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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.