Home / 34,790.35-48,035.64-21,379.58

Finding the Fourth Proportional to 34,790.35, 48,035.64 and 21,379.58

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Solution

The fourth proportional to 34,790.35, 48,035.64 and 21,379.58 is: 29,519.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,790.35 : 48,035.64 = 21,379.58 : x
  2. Step 2: Convert to fraction form
    34,790.35/48,035.64 = 21,379.58/x
  3. Step 3: Cross multiply
    34,790.35x = 48,035.64 × 21,379.58
  4. Step 4: Simplify right side
    34,790.35x = 1,026,982,008.49
  5. Step 5: Solve for x
    x = 1,026,982,008.49/34,790.35
  6. Step 6: Final answer
    x = 29,519.17

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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.