Home / 76,217.43-114,326.19-31,819.98

Finding the Fourth Proportional to 76,217.43, 114,326.19 and 31,819.98

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Solution

The fourth proportional to 76,217.43, 114,326.19 and 31,819.98 is: 47,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,217.43 : 114,326.19 = 31,819.98 : x
  2. Step 2: Convert to fraction form
    76,217.43/114,326.19 = 31,819.98/x
  3. Step 3: Cross multiply
    76,217.43x = 114,326.19 × 31,819.98
  4. Step 4: Simplify right side
    76,217.43x = 3,637,857,079.28
  5. Step 5: Solve for x
    x = 3,637,857,079.28/76,217.43
  6. Step 6: Final answer
    x = 47,729.99

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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.