Home / 39,107.28-53,955.36-22,109.88

Finding the Fourth Proportional to 39,107.28, 53,955.36 and 22,109.88

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Solution

The fourth proportional to 39,107.28, 53,955.36 and 22,109.88 is: 30,504.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,107.28 : 53,955.36 = 22,109.88 : x
  2. Step 2: Convert to fraction form
    39,107.28/53,955.36 = 22,109.88/x
  3. Step 3: Cross multiply
    39,107.28x = 53,955.36 × 22,109.88
  4. Step 4: Simplify right side
    39,107.28x = 1,192,946,534.96
  5. Step 5: Solve for x
    x = 1,192,946,534.96/39,107.28
  6. Step 6: Final answer
    x = 30,504.46

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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.