Home / 39,967.85-55,157.42-22,977.61

Finding the Fourth Proportional to 39,967.85, 55,157.42 and 22,977.61

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Solution

The fourth proportional to 39,967.85, 55,157.42 and 22,977.61 is: 31,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.85 : 55,157.42 = 22,977.61 : x
  2. Step 2: Convert to fraction form
    39,967.85/55,157.42 = 22,977.61/x
  3. Step 3: Cross multiply
    39,967.85x = 55,157.42 × 22,977.61
  4. Step 4: Simplify right side
    39,967.85x = 1,267,385,604.92
  5. Step 5: Solve for x
    x = 1,267,385,604.92/39,967.85
  6. Step 6: Final answer
    x = 31,710.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.