Home / 53,453.38-80,157.48-16,018.78

Finding the Fourth Proportional to 53,453.38, 80,157.48 and 16,018.78

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Solution

The fourth proportional to 53,453.38, 80,157.48 and 16,018.78 is: 24,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,453.38 : 80,157.48 = 16,018.78 : x
  2. Step 2: Convert to fraction form
    53,453.38/80,157.48 = 16,018.78/x
  3. Step 3: Cross multiply
    53,453.38x = 80,157.48 × 16,018.78
  4. Step 4: Simplify right side
    53,453.38x = 1,284,025,037.47
  5. Step 5: Solve for x
    x = 1,284,025,037.47/53,453.38
  6. Step 6: Final answer
    x = 24,021.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.