Home / 35,279.57-48,686.73-20,174.69

Finding the Fourth Proportional to 35,279.57, 48,686.73 and 20,174.69

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Solution

The fourth proportional to 35,279.57, 48,686.73 and 20,174.69 is: 27,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.57 : 48,686.73 = 20,174.69 : x
  2. Step 2: Convert to fraction form
    35,279.57/48,686.73 = 20,174.69/x
  3. Step 3: Cross multiply
    35,279.57x = 48,686.73 × 20,174.69
  4. Step 4: Simplify right side
    35,279.57x = 982,239,684.86
  5. Step 5: Solve for x
    x = 982,239,684.86/35,279.57
  6. Step 6: Final answer
    x = 27,841.60

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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.