Home / 31,550.88-47,327.04-8,178.24

Finding the Fourth Proportional to 31,550.88, 47,327.04 and 8,178.24

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Solution

The fourth proportional to 31,550.88, 47,327.04 and 8,178.24 is: 12,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,550.88 : 47,327.04 = 8,178.24 : x
  2. Step 2: Convert to fraction form
    31,550.88/47,327.04 = 8,178.24/x
  3. Step 3: Cross multiply
    31,550.88x = 47,327.04 × 8,178.24
  4. Step 4: Simplify right side
    31,550.88x = 387,051,891.61
  5. Step 5: Solve for x
    x = 387,051,891.61/31,550.88
  6. Step 6: Final answer
    x = 12,267.55

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1.5x scale

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.