Home / 35,327.68-52,991.52-13,140.61

Finding the Fourth Proportional to 35,327.68, 52,991.52 and 13,140.61

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Solution

The fourth proportional to 35,327.68, 52,991.52 and 13,140.61 is: 19,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,327.68 : 52,991.52 = 13,140.61 : x
  2. Step 2: Convert to fraction form
    35,327.68/52,991.52 = 13,140.61/x
  3. Step 3: Cross multiply
    35,327.68x = 52,991.52 × 13,140.61
  4. Step 4: Simplify right side
    35,327.68x = 696,340,897.63
  5. Step 5: Solve for x
    x = 696,340,897.63/35,327.68
  6. Step 6: Final answer
    x = 19,710.92

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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.