Home / 53,327.84-79,996.34-13,885.02

Finding the Fourth Proportional to 53,327.84, 79,996.34 and 13,885.02

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Solution

The fourth proportional to 53,327.84, 79,996.34 and 13,885.02 is: 20,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,327.84 : 79,996.34 = 13,885.02 : x
  2. Step 2: Convert to fraction form
    53,327.84/79,996.34 = 13,885.02/x
  3. Step 3: Cross multiply
    53,327.84x = 79,996.34 × 13,885.02
  4. Step 4: Simplify right side
    53,327.84x = 1,110,750,815.54
  5. Step 5: Solve for x
    x = 1,110,750,815.54/53,327.84
  6. Step 6: Final answer
    x = 20,828.73

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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.