Home / 35,250.29-48,647.96-20,142.60

Finding the Fourth Proportional to 35,250.29, 48,647.96 and 20,142.60

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Solution

The fourth proportional to 35,250.29, 48,647.96 and 20,142.60 is: 27,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,250.29 : 48,647.96 = 20,142.60 : x
  2. Step 2: Convert to fraction form
    35,250.29/48,647.96 = 20,142.60/x
  3. Step 3: Cross multiply
    35,250.29x = 48,647.96 × 20,142.60
  4. Step 4: Simplify right side
    35,250.29x = 979,896,399.10
  5. Step 5: Solve for x
    x = 979,896,399.10/35,250.29
  6. Step 6: Final answer
    x = 27,798.25

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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.