Home / 35,909.68-53,877.48-12,539.56

Finding the Fourth Proportional to 35,909.68, 53,877.48 and 12,539.56

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Solution

The fourth proportional to 35,909.68, 53,877.48 and 12,539.56 is: 18,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909.68 : 53,877.48 = 12,539.56 : x
  2. Step 2: Convert to fraction form
    35,909.68/53,877.48 = 12,539.56/x
  3. Step 3: Cross multiply
    35,909.68x = 53,877.48 × 12,539.56
  4. Step 4: Simplify right side
    35,909.68x = 675,599,893.11
  5. Step 5: Solve for x
    x = 675,599,893.11/35,909.68
  6. Step 6: Final answer
    x = 18,813.87

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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.