Home / 53,727.85-80,607.87-21,690.43

Finding the Fourth Proportional to 53,727.85, 80,607.87 and 21,690.43

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Solution

The fourth proportional to 53,727.85, 80,607.87 and 21,690.43 is: 32,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,727.85 : 80,607.87 = 21,690.43 : x
  2. Step 2: Convert to fraction form
    53,727.85/80,607.87 = 21,690.43/x
  3. Step 3: Cross multiply
    53,727.85x = 80,607.87 × 21,690.43
  4. Step 4: Simplify right side
    53,727.85x = 1,748,418,958.64
  5. Step 5: Solve for x
    x = 1,748,418,958.64/53,727.85
  6. Step 6: Final answer
    x = 32,542.14

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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.