Home / 43,985.45-65,968.05-26,221.12

Finding the Fourth Proportional to 43,985.45, 65,968.05 and 26,221.12

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Solution

The fourth proportional to 43,985.45, 65,968.05 and 26,221.12 is: 39,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,985.45 : 65,968.05 = 26,221.12 : x
  2. Step 2: Convert to fraction form
    43,985.45/65,968.05 = 26,221.12/x
  3. Step 3: Cross multiply
    43,985.45x = 65,968.05 × 26,221.12
  4. Step 4: Simplify right side
    43,985.45x = 1,729,756,126.67
  5. Step 5: Solve for x
    x = 1,729,756,126.67/43,985.45
  6. Step 6: Final answer
    x = 39,325.65

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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.