Home / 31,073.90-42,882.44-16,926.75

Finding the Fourth Proportional to 31,073.90, 42,882.44 and 16,926.75

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Solution

The fourth proportional to 31,073.90, 42,882.44 and 16,926.75 is: 23,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.90 : 42,882.44 = 16,926.75 : x
  2. Step 2: Convert to fraction form
    31,073.90/42,882.44 = 16,926.75/x
  3. Step 3: Cross multiply
    31,073.90x = 42,882.44 × 16,926.75
  4. Step 4: Simplify right side
    31,073.90x = 725,860,256.64
  5. Step 5: Solve for x
    x = 725,860,256.64/31,073.90
  6. Step 6: Final answer
    x = 23,359.17

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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.