Home / 35,128.62-48,463.92-21,676.50

Finding the Fourth Proportional to 35,128.62, 48,463.92 and 21,676.50

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Solution

The fourth proportional to 35,128.62, 48,463.92 and 21,676.50 is: 29,905.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.62 : 48,463.92 = 21,676.50 : x
  2. Step 2: Convert to fraction form
    35,128.62/48,463.92 = 21,676.50/x
  3. Step 3: Cross multiply
    35,128.62x = 48,463.92 × 21,676.50
  4. Step 4: Simplify right side
    35,128.62x = 1,050,528,161.88
  5. Step 5: Solve for x
    x = 1,050,528,161.88/35,128.62
  6. Step 6: Final answer
    x = 29,905.19

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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.