Home / 35,508.96-49,005.36-20,604

Finding the Fourth Proportional to 35,508.96, 49,005.36 and 20,604

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Solution

The fourth proportional to 35,508.96, 49,005.36 and 20,604 is: 28,435.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,508.96 : 49,005.36 = 20,604 : x
  2. Step 2: Convert to fraction form
    35,508.96/49,005.36 = 20,604/x
  3. Step 3: Cross multiply
    35,508.96x = 49,005.36 × 20,604
  4. Step 4: Simplify right side
    35,508.96x = 1,009,706,437.44
  5. Step 5: Solve for x
    x = 1,009,706,437.44/35,508.96
  6. Step 6: Final answer
    x = 28,435.26

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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.