Home / 39,073.26-53,921.03-21,168.75

Finding the Fourth Proportional to 39,073.26, 53,921.03 and 21,168.75

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Solution

The fourth proportional to 39,073.26, 53,921.03 and 21,168.75 is: 29,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,073.26 : 53,921.03 = 21,168.75 : x
  2. Step 2: Convert to fraction form
    39,073.26/53,921.03 = 21,168.75/x
  3. Step 3: Cross multiply
    39,073.26x = 53,921.03 × 21,168.75
  4. Step 4: Simplify right side
    39,073.26x = 1,141,440,697.97
  5. Step 5: Solve for x
    x = 1,141,440,697.97/39,073.26
  6. Step 6: Final answer
    x = 29,212.84

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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.