Home / 35,221.77-52,879.58-20,441.29

Finding the Fourth Proportional to 35,221.77, 52,879.58 and 20,441.29

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Solution

The fourth proportional to 35,221.77, 52,879.58 and 20,441.29 is: 30,689.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.77 : 52,879.58 = 20,441.29 : x
  2. Step 2: Convert to fraction form
    35,221.77/52,879.58 = 20,441.29/x
  3. Step 3: Cross multiply
    35,221.77x = 52,879.58 × 20,441.29
  4. Step 4: Simplify right side
    35,221.77x = 1,080,926,829.86
  5. Step 5: Solve for x
    x = 1,080,926,829.86/35,221.77
  6. Step 6: Final answer
    x = 30,689.17

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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.