Home / 31,969.28-47,953.92-11,198.72

Finding the Fourth Proportional to 31,969.28, 47,953.92 and 11,198.72

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Solution

The fourth proportional to 31,969.28, 47,953.92 and 11,198.72 is: 16,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,969.28 : 47,953.92 = 11,198.72 : x
  2. Step 2: Convert to fraction form
    31,969.28/47,953.92 = 11,198.72/x
  3. Step 3: Cross multiply
    31,969.28x = 47,953.92 × 11,198.72
  4. Step 4: Simplify right side
    31,969.28x = 537,022,522.98
  5. Step 5: Solve for x
    x = 537,022,522.98/31,969.28
  6. Step 6: Final answer
    x = 16,798.08

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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.