Home / 35,276.24-48,670.47-20,168.12

Finding the Fourth Proportional to 35,276.24, 48,670.47 and 20,168.12

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Solution

The fourth proportional to 35,276.24, 48,670.47 and 20,168.12 is: 27,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,276.24 : 48,670.47 = 20,168.12 : x
  2. Step 2: Convert to fraction form
    35,276.24/48,670.47 = 20,168.12/x
  3. Step 3: Cross multiply
    35,276.24x = 48,670.47 × 20,168.12
  4. Step 4: Simplify right side
    35,276.24x = 981,592,001.09
  5. Step 5: Solve for x
    x = 981,592,001.09/35,276.24
  6. Step 6: Final answer
    x = 27,825.87

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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.