Home / 43,437.90-65,187.96-18,495.45

Finding the Fourth Proportional to 43,437.90, 65,187.96 and 18,495.45

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Solution

The fourth proportional to 43,437.90, 65,187.96 and 18,495.45 is: 27,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,437.90 : 65,187.96 = 18,495.45 : x
  2. Step 2: Convert to fraction form
    43,437.90/65,187.96 = 18,495.45/x
  3. Step 3: Cross multiply
    43,437.90x = 65,187.96 × 18,495.45
  4. Step 4: Simplify right side
    43,437.90x = 1,205,680,654.78
  5. Step 5: Solve for x
    x = 1,205,680,654.78/43,437.90
  6. Step 6: Final answer
    x = 27,756.42

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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.