Home / 73,293.48-109,947.06-19,986.12

Finding the Fourth Proportional to 73,293.48, 109,947.06 and 19,986.12

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Solution

The fourth proportional to 73,293.48, 109,947.06 and 19,986.12 is: 29,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,293.48 : 109,947.06 = 19,986.12 : x
  2. Step 2: Convert to fraction form
    73,293.48/109,947.06 = 19,986.12/x
  3. Step 3: Cross multiply
    73,293.48x = 109,947.06 × 19,986.12
  4. Step 4: Simplify right side
    73,293.48x = 2,197,415,134.81
  5. Step 5: Solve for x
    x = 2,197,415,134.81/73,293.48
  6. Step 6: Final answer
    x = 29,981.05

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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.