Home / 53,895.42-80,842.86-13,914.36

Finding the Fourth Proportional to 53,895.42, 80,842.86 and 13,914.36

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Solution

The fourth proportional to 53,895.42, 80,842.86 and 13,914.36 is: 20,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,895.42 : 80,842.86 = 13,914.36 : x
  2. Step 2: Convert to fraction form
    53,895.42/80,842.86 = 13,914.36/x
  3. Step 3: Cross multiply
    53,895.42x = 80,842.86 × 13,914.36
  4. Step 4: Simplify right side
    53,895.42x = 1,124,876,657.47
  5. Step 5: Solve for x
    x = 1,124,876,657.47/53,895.42
  6. Step 6: Final answer
    x = 20,871.47

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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.