Home / 35,579.24-49,101.25-20,474.20

Finding the Fourth Proportional to 35,579.24, 49,101.25 and 20,474.20

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Solution

The fourth proportional to 35,579.24, 49,101.25 and 20,474.20 is: 28,255.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.24 : 49,101.25 = 20,474.20 : x
  2. Step 2: Convert to fraction form
    35,579.24/49,101.25 = 20,474.20/x
  3. Step 3: Cross multiply
    35,579.24x = 49,101.25 × 20,474.20
  4. Step 4: Simplify right side
    35,579.24x = 1,005,308,812.75
  5. Step 5: Solve for x
    x = 1,005,308,812.75/35,579.24
  6. Step 6: Final answer
    x = 28,255.49

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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.