Home / 73,724.40-110,567.04-21,119.76

Finding the Fourth Proportional to 73,724.40, 110,567.04 and 21,119.76

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Solution

The fourth proportional to 73,724.40, 110,567.04 and 21,119.76 is: 31,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,724.40 : 110,567.04 = 21,119.76 : x
  2. Step 2: Convert to fraction form
    73,724.40/110,567.04 = 21,119.76/x
  3. Step 3: Cross multiply
    73,724.40x = 110,567.04 × 21,119.76
  4. Step 4: Simplify right side
    73,724.40x = 2,335,149,348.71
  5. Step 5: Solve for x
    x = 2,335,149,348.71/73,724.40
  6. Step 6: Final answer
    x = 31,674.04

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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.