Home / 35,268.60-48,666.96-20,165.16

Finding the Fourth Proportional to 35,268.60, 48,666.96 and 20,165.16

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Solution

The fourth proportional to 35,268.60, 48,666.96 and 20,165.16 is: 27,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,268.60 : 48,666.96 = 20,165.16 : x
  2. Step 2: Convert to fraction form
    35,268.60/48,666.96 = 20,165.16/x
  3. Step 3: Cross multiply
    35,268.60x = 48,666.96 × 20,165.16
  4. Step 4: Simplify right side
    35,268.60x = 981,377,035.11
  5. Step 5: Solve for x
    x = 981,377,035.11/35,268.60
  6. Step 6: Final answer
    x = 27,825.80

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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.