Home / 56,402.72-84,604.26-14,282.78

Finding the Fourth Proportional to 56,402.72, 84,604.26 and 14,282.78

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Solution

The fourth proportional to 56,402.72, 84,604.26 and 14,282.78 is: 21,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,402.72 : 84,604.26 = 14,282.78 : x
  2. Step 2: Convert to fraction form
    56,402.72/84,604.26 = 14,282.78/x
  3. Step 3: Cross multiply
    56,402.72x = 84,604.26 × 14,282.78
  4. Step 4: Simplify right side
    56,402.72x = 1,208,383,609.62
  5. Step 5: Solve for x
    x = 1,208,383,609.62/56,402.72
  6. Step 6: Final answer
    x = 21,424.21

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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.