Home / 35,490.94-53,234.58-10,531.20

Finding the Fourth Proportional to 35,490.94, 53,234.58 and 10,531.20

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Solution

The fourth proportional to 35,490.94, 53,234.58 and 10,531.20 is: 15,796.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,490.94 : 53,234.58 = 10,531.20 : x
  2. Step 2: Convert to fraction form
    35,490.94/53,234.58 = 10,531.20/x
  3. Step 3: Cross multiply
    35,490.94x = 53,234.58 × 10,531.20
  4. Step 4: Simplify right side
    35,490.94x = 560,624,008.90
  5. Step 5: Solve for x
    x = 560,624,008.90/35,490.94
  6. Step 6: Final answer
    x = 15,796.26

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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.