Home / 31,651.94-47,483.18-14,121.12

Finding the Fourth Proportional to 31,651.94, 47,483.18 and 14,121.12

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Solution

The fourth proportional to 31,651.94, 47,483.18 and 14,121.12 is: 21,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,651.94 : 47,483.18 = 14,121.12 : x
  2. Step 2: Convert to fraction form
    31,651.94/47,483.18 = 14,121.12/x
  3. Step 3: Cross multiply
    31,651.94x = 47,483.18 × 14,121.12
  4. Step 4: Simplify right side
    31,651.94x = 670,515,682.76
  5. Step 5: Solve for x
    x = 670,515,682.76/31,651.94
  6. Step 6: Final answer
    x = 21,184.03

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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.