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Finding the Fourth Proportional to 55,394.88, 83,092.31 and 13,841.88

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Solution

The fourth proportional to 55,394.88, 83,092.31 and 13,841.88 is: 20,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.88 : 83,092.31 = 13,841.88 : x
  2. Step 2: Convert to fraction form
    55,394.88/83,092.31 = 13,841.88/x
  3. Step 3: Cross multiply
    55,394.88x = 83,092.31 × 13,841.88
  4. Step 4: Simplify right side
    55,394.88x = 1,150,153,783.94
  5. Step 5: Solve for x
    x = 1,150,153,783.94/55,394.88
  6. Step 6: Final answer
    x = 20,762.82

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1.5x scale

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.