Home / 43,774.26-65,637.90-13,782.86

Finding the Fourth Proportional to 43,774.26, 65,637.90 and 13,782.86

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Solution

The fourth proportional to 43,774.26, 65,637.90 and 13,782.86 is: 20,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,774.26 : 65,637.90 = 13,782.86 : x
  2. Step 2: Convert to fraction form
    43,774.26/65,637.90 = 13,782.86/x
  3. Step 3: Cross multiply
    43,774.26x = 65,637.90 × 13,782.86
  4. Step 4: Simplify right side
    43,774.26x = 904,677,986.39
  5. Step 5: Solve for x
    x = 904,677,986.39/43,774.26
  6. Step 6: Final answer
    x = 20,666.89

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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.