Home / 43,699.16-65,548.77-18,723

Finding the Fourth Proportional to 43,699.16, 65,548.77 and 18,723

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Solution

The fourth proportional to 43,699.16, 65,548.77 and 18,723 is: 28,084.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,699.16 : 65,548.77 = 18,723 : x
  2. Step 2: Convert to fraction form
    43,699.16/65,548.77 = 18,723/x
  3. Step 3: Cross multiply
    43,699.16x = 65,548.77 × 18,723
  4. Step 4: Simplify right side
    43,699.16x = 1,227,269,620.71
  5. Step 5: Solve for x
    x = 1,227,269,620.71/43,699.16
  6. Step 6: Final answer
    x = 28,084.52

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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.