Home / 35,269.34-48,670.35-20,161.22

Finding the Fourth Proportional to 35,269.34, 48,670.35 and 20,161.22

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Solution

The fourth proportional to 35,269.34, 48,670.35 and 20,161.22 is: 27,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,269.34 : 48,670.35 = 20,161.22 : x
  2. Step 2: Convert to fraction form
    35,269.34/48,670.35 = 20,161.22/x
  3. Step 3: Cross multiply
    35,269.34x = 48,670.35 × 20,161.22
  4. Step 4: Simplify right side
    35,269.34x = 981,253,633.83
  5. Step 5: Solve for x
    x = 981,253,633.83/35,269.34
  6. Step 6: Final answer
    x = 27,821.72

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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.