Home / 38,973.80-58,401.22-20,259.92

Finding the Fourth Proportional to 38,973.80, 58,401.22 and 20,259.92

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Solution

The fourth proportional to 38,973.80, 58,401.22 and 20,259.92 is: 30,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,973.80 : 58,401.22 = 20,259.92 : x
  2. Step 2: Convert to fraction form
    38,973.80/58,401.22 = 20,259.92/x
  3. Step 3: Cross multiply
    38,973.80x = 58,401.22 × 20,259.92
  4. Step 4: Simplify right side
    38,973.80x = 1,183,203,753.10
  5. Step 5: Solve for x
    x = 1,183,203,753.10/38,973.80
  6. Step 6: Final answer
    x = 30,358.95

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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.