Home / 53,700.33-80,566.89-18,664.59

Finding the Fourth Proportional to 53,700.33, 80,566.89 and 18,664.59

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Solution

The fourth proportional to 53,700.33, 80,566.89 and 18,664.59 is: 28,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,700.33 : 80,566.89 = 18,664.59 : x
  2. Step 2: Convert to fraction form
    53,700.33/80,566.89 = 18,664.59/x
  3. Step 3: Cross multiply
    53,700.33x = 80,566.89 × 18,664.59
  4. Step 4: Simplify right side
    53,700.33x = 1,503,747,969.43
  5. Step 5: Solve for x
    x = 1,503,747,969.43/53,700.33
  6. Step 6: Final answer
    x = 28,002.58

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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.