Home / 34,790.54-48,035.90-21,379.77

Finding the Fourth Proportional to 34,790.54, 48,035.90 and 21,379.77

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Solution

The fourth proportional to 34,790.54, 48,035.90 and 21,379.77 is: 29,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,790.54 : 48,035.90 = 21,379.77 : x
  2. Step 2: Convert to fraction form
    34,790.54/48,035.90 = 21,379.77/x
  3. Step 3: Cross multiply
    34,790.54x = 48,035.90 × 21,379.77
  4. Step 4: Simplify right side
    34,790.54x = 1,026,996,547.19
  5. Step 5: Solve for x
    x = 1,026,996,547.19/34,790.54
  6. Step 6: Final answer
    x = 29,519.42

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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.