Home / 54,383.78-81,578.10-14,941.24

Finding the Fourth Proportional to 54,383.78, 81,578.10 and 14,941.24

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Solution

The fourth proportional to 54,383.78, 81,578.10 and 14,941.24 is: 22,412.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,383.78 : 81,578.10 = 14,941.24 : x
  2. Step 2: Convert to fraction form
    54,383.78/81,578.10 = 14,941.24/x
  3. Step 3: Cross multiply
    54,383.78x = 81,578.10 × 14,941.24
  4. Step 4: Simplify right side
    54,383.78x = 1,218,877,970.84
  5. Step 5: Solve for x
    x = 1,218,877,970.84/54,383.78
  6. Step 6: Final answer
    x = 22,412.53

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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.