Home / 53,965.04-80,958.48-18,929.36

Finding the Fourth Proportional to 53,965.04, 80,958.48 and 18,929.36

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Solution

The fourth proportional to 53,965.04, 80,958.48 and 18,929.36 is: 28,397.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,965.04 : 80,958.48 = 18,929.36 : x
  2. Step 2: Convert to fraction form
    53,965.04/80,958.48 = 18,929.36/x
  3. Step 3: Cross multiply
    53,965.04x = 80,958.48 × 18,929.36
  4. Step 4: Simplify right side
    53,965.04x = 1,532,492,212.97
  5. Step 5: Solve for x
    x = 1,532,492,212.97/53,965.04
  6. Step 6: Final answer
    x = 28,397.87

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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.