Home / 31,979.76-47,953.96-11,200.24

Finding the Fourth Proportional to 31,979.76, 47,953.96 and 11,200.24

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Solution

The fourth proportional to 31,979.76, 47,953.96 and 11,200.24 is: 16,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,979.76 : 47,953.96 = 11,200.24 : x
  2. Step 2: Convert to fraction form
    31,979.76/47,953.96 = 11,200.24/x
  3. Step 3: Cross multiply
    31,979.76x = 47,953.96 × 11,200.24
  4. Step 4: Simplify right side
    31,979.76x = 537,095,860.95
  5. Step 5: Solve for x
    x = 537,095,860.95/31,979.76
  6. Step 6: Final answer
    x = 16,794.87

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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.