Home / 31,307.05-43,203.74-16,966.85

Finding the Fourth Proportional to 31,307.05, 43,203.74 and 16,966.85

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Solution

The fourth proportional to 31,307.05, 43,203.74 and 16,966.85 is: 23,414.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.05 : 43,203.74 = 16,966.85 : x
  2. Step 2: Convert to fraction form
    31,307.05/43,203.74 = 16,966.85/x
  3. Step 3: Cross multiply
    31,307.05x = 43,203.74 × 16,966.85
  4. Step 4: Simplify right side
    31,307.05x = 733,031,252.41
  5. Step 5: Solve for x
    x = 733,031,252.41/31,307.05
  6. Step 6: Final answer
    x = 23,414.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.