Home / 35,105.70-48,443.32-19,186.76

Finding the Fourth Proportional to 35,105.70, 48,443.32 and 19,186.76

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Solution

The fourth proportional to 35,105.70, 48,443.32 and 19,186.76 is: 26,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,105.70 : 48,443.32 = 19,186.76 : x
  2. Step 2: Convert to fraction form
    35,105.70/48,443.32 = 19,186.76/x
  3. Step 3: Cross multiply
    35,105.70x = 48,443.32 × 19,186.76
  4. Step 4: Simplify right side
    35,105.70x = 929,470,354.44
  5. Step 5: Solve for x
    x = 929,470,354.44/35,105.70
  6. Step 6: Final answer
    x = 26,476.34

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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.