Home / 29,552.16-40,780.68-16,123.20

Finding the Fourth Proportional to 29,552.16, 40,780.68 and 16,123.20

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Solution

The fourth proportional to 29,552.16, 40,780.68 and 16,123.20 is: 22,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,552.16 : 40,780.68 = 16,123.20 : x
  2. Step 2: Convert to fraction form
    29,552.16/40,780.68 = 16,123.20/x
  3. Step 3: Cross multiply
    29,552.16x = 40,780.68 × 16,123.20
  4. Step 4: Simplify right side
    29,552.16x = 657,515,059.78
  5. Step 5: Solve for x
    x = 657,515,059.78/29,552.16
  6. Step 6: Final answer
    x = 22,249.31

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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.