Home / 48,383.85-72,604.05-20,301.57

Finding the Fourth Proportional to 48,383.85, 72,604.05 and 20,301.57

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Solution

The fourth proportional to 48,383.85, 72,604.05 and 20,301.57 is: 30,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,383.85 : 72,604.05 = 20,301.57 : x
  2. Step 2: Convert to fraction form
    48,383.85/72,604.05 = 20,301.57/x
  3. Step 3: Cross multiply
    48,383.85x = 72,604.05 × 20,301.57
  4. Step 4: Simplify right side
    48,383.85x = 1,473,976,203.36
  5. Step 5: Solve for x
    x = 1,473,976,203.36/48,383.85
  6. Step 6: Final answer
    x = 30,464.22

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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.