Home / 73,276.40-109,921.56-19,969.04

Finding the Fourth Proportional to 73,276.40, 109,921.56 and 19,969.04

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Solution

The fourth proportional to 73,276.40, 109,921.56 and 19,969.04 is: 29,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,276.40 : 109,921.56 = 19,969.04 : x
  2. Step 2: Convert to fraction form
    73,276.40/109,921.56 = 19,969.04/x
  3. Step 3: Cross multiply
    73,276.40x = 109,921.56 × 19,969.04
  4. Step 4: Simplify right side
    73,276.40x = 2,195,028,028.50
  5. Step 5: Solve for x
    x = 2,195,028,028.50/73,276.40
  6. Step 6: Final answer
    x = 29,955.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.