Home / 35,157.90-48,521.16-21,010.44

Finding the Fourth Proportional to 35,157.90, 48,521.16 and 21,010.44

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Solution

The fourth proportional to 35,157.90, 48,521.16 and 21,010.44 is: 28,996.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,157.90 : 48,521.16 = 21,010.44 : x
  2. Step 2: Convert to fraction form
    35,157.90/48,521.16 = 21,010.44/x
  3. Step 3: Cross multiply
    35,157.90x = 48,521.16 × 21,010.44
  4. Step 4: Simplify right side
    35,157.90x = 1,019,450,920.91
  5. Step 5: Solve for x
    x = 1,019,450,920.91/35,157.90
  6. Step 6: Final answer
    x = 28,996.35

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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.