Home / 43,459.58-65,188.81-13,877.04

Finding the Fourth Proportional to 43,459.58, 65,188.81 and 13,877.04

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Solution

The fourth proportional to 43,459.58, 65,188.81 and 13,877.04 is: 20,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459.58 : 65,188.81 = 13,877.04 : x
  2. Step 2: Convert to fraction form
    43,459.58/65,188.81 = 13,877.04/x
  3. Step 3: Cross multiply
    43,459.58x = 65,188.81 × 13,877.04
  4. Step 4: Simplify right side
    43,459.58x = 904,627,397.98
  5. Step 5: Solve for x
    x = 904,627,397.98/43,459.58
  6. Step 6: Final answer
    x = 20,815.38

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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.