Home / 35,305.22-48,721.54-19,390

Finding the Fourth Proportional to 35,305.22, 48,721.54 and 19,390

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Solution

The fourth proportional to 35,305.22, 48,721.54 and 19,390 is: 26,758.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,305.22 : 48,721.54 = 19,390 : x
  2. Step 2: Convert to fraction form
    35,305.22/48,721.54 = 19,390/x
  3. Step 3: Cross multiply
    35,305.22x = 48,721.54 × 19,390
  4. Step 4: Simplify right side
    35,305.22x = 944,710,660.60
  5. Step 5: Solve for x
    x = 944,710,660.60/35,305.22
  6. Step 6: Final answer
    x = 26,758.38

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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.