Home / 35,022.12-48,346.04-20,879.88

Finding the Fourth Proportional to 35,022.12, 48,346.04 and 20,879.88

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Solution

The fourth proportional to 35,022.12, 48,346.04 and 20,879.88 is: 28,823.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,022.12 : 48,346.04 = 20,879.88 : x
  2. Step 2: Convert to fraction form
    35,022.12/48,346.04 = 20,879.88/x
  3. Step 3: Cross multiply
    35,022.12x = 48,346.04 × 20,879.88
  4. Step 4: Simplify right side
    35,022.12x = 1,009,459,513.68
  5. Step 5: Solve for x
    x = 1,009,459,513.68/35,022.12
  6. Step 6: Final answer
    x = 28,823.48

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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.