Home / 29,648.88-40,915.38-16,220.10

Finding the Fourth Proportional to 29,648.88, 40,915.38 and 16,220.10

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Solution

The fourth proportional to 29,648.88, 40,915.38 and 16,220.10 is: 22,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,648.88 : 40,915.38 = 16,220.10 : x
  2. Step 2: Convert to fraction form
    29,648.88/40,915.38 = 16,220.10/x
  3. Step 3: Cross multiply
    29,648.88x = 40,915.38 × 16,220.10
  4. Step 4: Simplify right side
    29,648.88x = 663,651,555.14
  5. Step 5: Solve for x
    x = 663,651,555.14/29,648.88
  6. Step 6: Final answer
    x = 22,383.70

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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.