Home / 35,428.85-53,018.41-22,108.12

Finding the Fourth Proportional to 35,428.85, 53,018.41 and 22,108.12

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Solution

The fourth proportional to 35,428.85, 53,018.41 and 22,108.12 is: 33,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.85 : 53,018.41 = 22,108.12 : x
  2. Step 2: Convert to fraction form
    35,428.85/53,018.41 = 22,108.12/x
  3. Step 3: Cross multiply
    35,428.85x = 53,018.41 × 22,108.12
  4. Step 4: Simplify right side
    35,428.85x = 1,172,136,994.86
  5. Step 5: Solve for x
    x = 1,172,136,994.86/35,428.85
  6. Step 6: Final answer
    x = 33,084.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.