Home / 43,670.52-65,450.96-18,681.20

Finding the Fourth Proportional to 43,670.52, 65,450.96 and 18,681.20

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Solution

The fourth proportional to 43,670.52, 65,450.96 and 18,681.20 is: 27,998.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,670.52 : 65,450.96 = 18,681.20 : x
  2. Step 2: Convert to fraction form
    43,670.52/65,450.96 = 18,681.20/x
  3. Step 3: Cross multiply
    43,670.52x = 65,450.96 × 18,681.20
  4. Step 4: Simplify right side
    43,670.52x = 1,222,702,473.95
  5. Step 5: Solve for x
    x = 1,222,702,473.95/43,670.52
  6. Step 6: Final answer
    x = 27,998.35

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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.