Home / 43,447.95-65,173.06-13,865.75

Finding the Fourth Proportional to 43,447.95, 65,173.06 and 13,865.75

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Solution

The fourth proportional to 43,447.95, 65,173.06 and 13,865.75 is: 20,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,447.95 : 65,173.06 = 13,865.75 : x
  2. Step 2: Convert to fraction form
    43,447.95/65,173.06 = 13,865.75/x
  3. Step 3: Cross multiply
    43,447.95x = 65,173.06 × 13,865.75
  4. Step 4: Simplify right side
    43,447.95x = 903,672,996.17
  5. Step 5: Solve for x
    x = 903,672,996.17/43,447.95
  6. Step 6: Final answer
    x = 20,798.98

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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.