Home / 29,205.90-40,304.16-16,630.64

Finding the Fourth Proportional to 29,205.90, 40,304.16 and 16,630.64

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Solution

The fourth proportional to 29,205.90, 40,304.16 and 16,630.64 is: 22,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.90 : 40,304.16 = 16,630.64 : x
  2. Step 2: Convert to fraction form
    29,205.90/40,304.16 = 16,630.64/x
  3. Step 3: Cross multiply
    29,205.90x = 40,304.16 × 16,630.64
  4. Step 4: Simplify right side
    29,205.90x = 670,283,975.46
  5. Step 5: Solve for x
    x = 670,283,975.46/29,205.90
  6. Step 6: Final answer
    x = 22,950.29

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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.