Home / 35,359.48-53,037.84-11,985.96

Finding the Fourth Proportional to 35,359.48, 53,037.84 and 11,985.96

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Solution

The fourth proportional to 35,359.48, 53,037.84 and 11,985.96 is: 17,978.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,359.48 : 53,037.84 = 11,985.96 : x
  2. Step 2: Convert to fraction form
    35,359.48/53,037.84 = 11,985.96/x
  3. Step 3: Cross multiply
    35,359.48x = 53,037.84 × 11,985.96
  4. Step 4: Simplify right side
    35,359.48x = 635,709,428.73
  5. Step 5: Solve for x
    x = 635,709,428.73/35,359.48
  6. Step 6: Final answer
    x = 17,978.47

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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.