Home / 35,155.20-52,732.80-10,531.20

Finding the Fourth Proportional to 35,155.20, 52,732.80 and 10,531.20

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Solution

The fourth proportional to 35,155.20, 52,732.80 and 10,531.20 is: 15,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,155.20 : 52,732.80 = 10,531.20 : x
  2. Step 2: Convert to fraction form
    35,155.20/52,732.80 = 10,531.20/x
  3. Step 3: Cross multiply
    35,155.20x = 52,732.80 × 10,531.20
  4. Step 4: Simplify right side
    35,155.20x = 555,339,663.36
  5. Step 5: Solve for x
    x = 555,339,663.36/35,155.20
  6. Step 6: Final answer
    x = 15,796.80

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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.