Home / 35,347.62-48,778.46-19,431.94

Finding the Fourth Proportional to 35,347.62, 48,778.46 and 19,431.94

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Solution

The fourth proportional to 35,347.62, 48,778.46 and 19,431.94 is: 26,815.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,347.62 : 48,778.46 = 19,431.94 : x
  2. Step 2: Convert to fraction form
    35,347.62/48,778.46 = 19,431.94/x
  3. Step 3: Cross multiply
    35,347.62x = 48,778.46 × 19,431.94
  4. Step 4: Simplify right side
    35,347.62x = 947,860,108.01
  5. Step 5: Solve for x
    x = 947,860,108.01/35,347.62
  6. Step 6: Final answer
    x = 26,815.39

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1.5x scale

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.