Home / 53,862.21-80,798.85-20,610.24

Finding the Fourth Proportional to 53,862.21, 80,798.85 and 20,610.24

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Solution

The fourth proportional to 53,862.21, 80,798.85 and 20,610.24 is: 30,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.21 : 80,798.85 = 20,610.24 : x
  2. Step 2: Convert to fraction form
    53,862.21/80,798.85 = 20,610.24/x
  3. Step 3: Cross multiply
    53,862.21x = 80,798.85 × 20,610.24
  4. Step 4: Simplify right side
    53,862.21x = 1,665,283,690.22
  5. Step 5: Solve for x
    x = 1,665,283,690.22/53,862.21
  6. Step 6: Final answer
    x = 30,917.48

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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.