Home / 31,625.60-47,401.88-11,891.57

Finding the Fourth Proportional to 31,625.60, 47,401.88 and 11,891.57

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Solution

The fourth proportional to 31,625.60, 47,401.88 and 11,891.57 is: 17,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.60 : 47,401.88 = 11,891.57 : x
  2. Step 2: Convert to fraction form
    31,625.60/47,401.88 = 11,891.57/x
  3. Step 3: Cross multiply
    31,625.60x = 47,401.88 × 11,891.57
  4. Step 4: Simplify right side
    31,625.60x = 563,682,774.15
  5. Step 5: Solve for x
    x = 563,682,774.15/31,625.60
  6. Step 6: Final answer
    x = 17,823.62

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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.