Home / 30,225.78-41,710.31-16,796.91

Finding the Fourth Proportional to 30,225.78, 41,710.31 and 16,796.91

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Solution

The fourth proportional to 30,225.78, 41,710.31 and 16,796.91 is: 23,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.78 : 41,710.31 = 16,796.91 : x
  2. Step 2: Convert to fraction form
    30,225.78/41,710.31 = 16,796.91/x
  3. Step 3: Cross multiply
    30,225.78x = 41,710.31 × 16,796.91
  4. Step 4: Simplify right side
    30,225.78x = 700,604,239.16
  5. Step 5: Solve for x
    x = 700,604,239.16/30,225.78
  6. Step 6: Final answer
    x = 23,179.03

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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.