Home / 53,812.84-80,719.66-18,752.44

Finding the Fourth Proportional to 53,812.84, 80,719.66 and 18,752.44

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Solution

The fourth proportional to 53,812.84, 80,719.66 and 18,752.44 is: 28,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,812.84 : 80,719.66 = 18,752.44 : x
  2. Step 2: Convert to fraction form
    53,812.84/80,719.66 = 18,752.44/x
  3. Step 3: Cross multiply
    53,812.84x = 80,719.66 × 18,752.44
  4. Step 4: Simplify right side
    53,812.84x = 1,513,690,580.97
  5. Step 5: Solve for x
    x = 1,513,690,580.97/53,812.84
  6. Step 6: Final answer
    x = 28,128.80

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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.