Home / 53,838.11-80,764.55-18,289.88

Finding the Fourth Proportional to 53,838.11, 80,764.55 and 18,289.88

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Solution

The fourth proportional to 53,838.11, 80,764.55 and 18,289.88 is: 27,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,838.11 : 80,764.55 = 18,289.88 : x
  2. Step 2: Convert to fraction form
    53,838.11/80,764.55 = 18,289.88/x
  3. Step 3: Cross multiply
    53,838.11x = 80,764.55 × 18,289.88
  4. Step 4: Simplify right side
    53,838.11x = 1,477,173,927.75
  5. Step 5: Solve for x
    x = 1,477,173,927.75/53,838.11
  6. Step 6: Final answer
    x = 27,437.33

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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.