Home / 29,672.18-40,948.57-16,243.43

Finding the Fourth Proportional to 29,672.18, 40,948.57 and 16,243.43

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Solution

The fourth proportional to 29,672.18, 40,948.57 and 16,243.43 is: 22,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.18 : 40,948.57 = 16,243.43 : x
  2. Step 2: Convert to fraction form
    29,672.18/40,948.57 = 16,243.43/x
  3. Step 3: Cross multiply
    29,672.18x = 40,948.57 × 16,243.43
  4. Step 4: Simplify right side
    29,672.18x = 665,145,230.40
  5. Step 5: Solve for x
    x = 665,145,230.40/29,672.18
  6. Step 6: Final answer
    x = 22,416.46

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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.